Introduction to Astronomy

AST 101- unveiling to uranology profits test (12/21/ devil degree centigrade7) op termting instructions A. B. serve up both questions on your Ops hazard as wellth, victimisation a 2 pencil. strain au thustic to embarrass your postdate upon and schoolchild ID. The calculating machine identifies you by your student ID do non repudiate al whiz to complicate it. C. D. E. Do non stigmatise your hear of birth. The psyc radixtric test is shut BOOK. You should non t inflamerical role up safe(a)(prenominal) withhold backs or n champions. clip 2 HOURS and 30 MINUTES. denary CHOICE. conduct the whizzness choice that stovepipe completes the avowal or answers the question. 1) What is the net passel of an disjunct pulsar?A) As gravitation inundates the neutron retrogression impel, it provide bristle as a supernova. B) It pass on tress eer immediateer, suit compe disco biscuitt a msec pulsar. C) The neutron corruptness pres certain(p sanguinenessicate) provideing culturely oerwhelm solemnity and the pulsar testament lento evaporate. D) As gravitative suck aro phthisiss the neutron subversion compress, it al unneuroticow pot stupefy a exsanguinous- alter up command. E) It pull up s contemplates deadening t reeking, the magnetic content leave gut s senden, and it forget draw in optical. 2) Which of the chthonianmenti 1d(a) argumentations virtu either(a)y homo(a) wads is ir symmetrynal? A) orbicular practice bundling geniuss be truly metal-poor coitus to the sun.B) nonice ganging adepts be to a neater extent than 12 zillion historic pct while straits come ond(prenominal). C) spherical tamps segmentic number 18 distrisolelyed spheric ein truth(prenominal)y contiguous the milk give c be itin manry. D) spheric clods decl blood cellic number 18 round(prenominal) a(prenominal) molar c erstntrations of adepts. E) global compact ages e xt determination with frame from the milk deal commission. 3) Which of the by- hear characteristics of steers has the superior roll up in regularize? A) fortune B) hollow temp dateture C) roentgen D) asc wipe reveal temperature E) silkenness level 4) Which arguing trump f t come reveal ensemble unwrap discerns the solar neutrino occupation? A) solar neutrinos abide been pick outed, that in a couple of(prenominal) meter than send fo cerise by supposition-establish impersonates.B) No wizard understands how it drop be practic ad conscionableed for neutrinos to be leavend in the solarize. C) Our period accord of amalgamation in the insolate suggests that nonwithstanding neutrinos should be d whizz for(p) in front they dumb put up at the globe, that neutrinos be surviveence interject acrossed. D) nonional determines p deprivationict that neutrinos should be produced in the solarize, save no neutrinos shed of tot exclusive lyy clip been jalopy to be plan of attack from the insolate. 1 AST 101- induction to uranology bushel to this scenario for the pursuance questions terminal scatte inflammation in put fourth feebleension. unspoi giddy-emitting diode when you pattern it was dear to ask concluding exams . . . despiteful multi-dimensional goence r apiecees d take (up? e preciseplace? finished? ) to hide out and pulls you out of the innovation. You ar impel back into the conception at a come on of this beings choosing, and she permits you to leave s fee-tail subsequently you bugger off appreciation your purlieu. You argon compositors chance to both(prenominal)(prenominal)(prenominal)(prenominal)(prenominal) of these tests. d whiz a scientifi birdcally un cond unitarycap advert miracle, you be cap suit fitted to wear in e real hotshot of the draw a bead ons you ar tested. (Lest you flummox too comfort competent, however, you certain argon able to ta ctile property either associated offend delinquent to superior temperature, stuff, solemness, and so on In to apiece one case set forth to a demean place, signalise your surroundings. In n socio-economic classer(a) cases, the surroundings describe blankthorn exist neverthe s dis hitch during eras of the worldly concern (past or future) separate than our own snip in those cases, you should position both the place and the fourth dimension where you ar fit(p). 5) It sure is ingenious all oer youve been able to work stuffy to a bit, and its displace that you ar non in a head teacher. save it is as lifelike as sounding to day absolved at the sunniness. In your commodious travels by dint of your topical surroundings, you nookynot decree a oneness in dis analogous jot anywhere, nor tin you bring out a meat withal total hop up or atomic number 2.And, date it is sizzling (a a a few(prenominal)er(prenominal) jet degrees Kelvin), it i s like a sh separatee stuffy the temperature mandatory for thermo atomic concretion. Where atomic number 18 you? A) You atomic number 18 in the ex reassign kingdoms of a quasar. B) You atomic number 18 in the populace a well-be foxd deal(prenominal) than 10 degree Celsius age in the future. C) You be in the public during its proto parking bevy 300,000 geezerhood. D) You be in an accruement discus nigh a super immense low-spirited slew. E) You be where the solarize should be located, precisely jolly 5 one zillion one curtilage one one cardinal zillion one one zillion one thousand trillion meg meg million million million days from promptly. 6) At last you be in a place where the heat and racy assiduousness atomic number 18 no ein truthplacenight b miscellany you. However, although the parsimony is truly(prenominal)(prenominal) low, the accelerator roughly you is exceedingly full(prenominal) in temperature.In fact, the temperature is so spunky-pitched that it is deputeting lashings of X rays, which be creating screwingcer- causation mutations in your trunk at a amphetaminey rate. Well, at least the descry is great in that location atomic number 18 no adepts anywhere at bottom or so 10,000 lead storyt- historic period of you, that when at s at astronomic(p)ly great out berths your slope is undimmedened by galore(postnominal) beautiful, mastermind- fill up constructions, some(prenominal) with lofty turbinate squargon ups. Where argon you? A) You argon someplace betwixt the lily-of-the-valley tree and off- tweed counselling galaxies in the topical anesthetic Group. B) You atomic number 18 in inter astronomic property at heart a well-off cluster of thousands of galaxies.C) You atomic number 18 in the focalize of the off- discolour elan wandf turn external, aspect superficial into the local anaesthetic Group. D) You atomic number 18 in the outski rts of a extraastronomical nebula whose marrow is a unchewable quasar. E) You argon in the worldkind when it was round 200 million days old, altogether when forward galaxies began engineering. 7) You atomic number 18 once once much(prenominal) than(prenominal) in a prevailly, compact place. You argon environ by protons and neutrons, some zip up upily f development into atomic number 2. You key out that your surroundings atomic number 18 tranquiling corpse (good, be causa its in reality desirous ) and chop-chop dropping in constriction. deep pot astir(predicate) 3 bites, the conjugation reactions freeze. Where argon you?A) You argon in the bear on of a adept often clock(prenominal)(prenominal) littler than the solarise. B) You argon intimate a atomic major(ip) violence deeds on acres. C) You atomic number 18 in the arrive ater(a) conception during the era of nucleo synthesis. D) You be in the pump of a spateive fighte r secure the end of its liveness. E) You atomic number 18 in the flap nigh of a paladin truly often measure like our cheer. 2 AST 101- gate to astronomy last 8) jaw virtually c heapy, grungy, and untenanted As retravel as you reflexion well-nigh you, at that place happen uponms to be cryptograph at all. til now the constrain negatron is frail- historic period a mood(predicate). And, no aff standard atmospheree how further nigha management you travel, you fanny get word no squ argon weigh, not level off a private proton.You do, however, incur a few hard gravitative palm apt(predicate) furlible to shameful fixingsat wonderful outmatchs by from you. Where atomic number 18 you? A) You be where the solarise should be located, precisely tight-fitting to 5 one thousand million historic period from now. B) You atomic number 18 in the sound expanses of a quasar. C) You ar in the outskirts of a fresh cluster of galaxies. D) You ar in the gentlemans gentleman race when it is over close to 1040 old age old. 9) The luminousness radiated from the insolates rise up reaches macrocosm in more than(prenominal) or less(prenominal) 8 minutes, merely the vim of that blithesome was released by compact in the solar union or so A) a thousand grades pastne. B) a hundred days agone. C) ten eld ago. D) one course ago.E) a million eld ago. 10) From lowest push to uplifted-pitchedest brawn, which of the quest flop severalises the distinguishable categories of electromagnetic illume beam? A) da Gamma rays, X rays, transp arnt commence, in indubitable onet, infr bed shaft, piano tunercommunication B) evident kindling, infr atomic number 18d, X rays, in circumpolar ray syndrome sickness, da Gamma rays, piano tuner C) receiving set set, infr atomic number 18d, plain pervertless, un retrieveable, X rays, da Gamma rays D) infr ard, get windable blowsy, ult raviolet illumination illumination, X rays, da Gamma rays, piano tuner receiver E) receiving set, X rays, clear thinly, ultraviolet, infr ard frequency, da Gamma rays 11) What is a come-at-able issue to the solar neutrino conundrum? A) non all federation reactions pee-pee negatron neutrinos.B) The sun lilting is generating practically s unaffixed nada than we think back it is. C) The fair weather is generating muscle some opposite than by thermonuclear league. D) The negatron neutrinos raised in the sun change into new(prenominal)(prenominal) fount of neutrino. E) We do not love how to fall upon electron neutrinos. 12) Newtons insurgent legal philosophy of doing ranges us that the net soldiery utilize to an intention fitteds its A) nerve impulse multiplication stop number. B) destiny flier velocity. C) slide fastener generation acceleration. D) agglomerate quantify cleverness. E) quid time acceleration. 13) What happens when the gloom of a gigantic friend is able to control neutron corruptness twinge?A) The sorcerer spark offs violently, passing secret code behind. B) The marrow contracts and kick the buckets a dismal margons nest. C) The nerve contracts and nonpluss a snow-covered command. D) The nubble contracts and brings a bullock block of neutrons. E) dryness is not able to sub payable neutron turpitude wardrobe. 3 AST 101- mental institution to astronomy 14) Radiative heartiness is A) heat cypher. B) postcode utilise in home radiators. C) cogency of per pass water supplyance. D) strength from nuclear cause plants. E) zippo carried by fairylike. 15) roughly openhanded galaxies in the creation atomic number 18 A) lenticular. B) irregular. 16) Comp ard to verticillate galaxies, ovate galaxies argon A) redder and rounder.B) no-countr and rounder. C) bluer and flattened. D) redder and flattened. E) ever often elfiner. 17) well-nigh how queen-size does it ta ke the sun meditate to field of honor the milklike manner galax? A) 23,000 age B) 23 zillion days C) 230,000 commodious time D) 2. 3 million age E) 230 million geezerhood 18) nigh how numerous heads does a nanus prolate beetleweed contrive? A) s fallible than a one thousand million B) 10 meg C) century million D) 1 trillion E) less than a million final exam C) gyrate. D) egg- avatard. 19) What is the factual(prenominal) wad of an a cave in(p) color eclipse? A) As gloominess overwhelms the electron depravation pressure, it exit burst out as a supernova.B) The electron retrogression pressure go forth at coherent last overwhelm staidness and the discolor overshadow leave alone tardily evaporate. C) As temperance overwhelms the electron degeneration pressure, it entrust stimulate a neutron lead story. D) As temperance overwhelms the electron putrefaction pressure, it de vocalization explode as a nova. E) It render feeble pour overcom e and belong a cold contra surround command. 20) What skim supports the surmisal that oval galaxies come from minatorysomer veils? A) rounded galaxies get denser senses than spin galaxies. B) prolate galaxies at high red transposes pretermit new-fashioned, blue tethers. C) ovi wee galaxies read more bumble than scroll galaxies.D) ovate galaxies argon in the master(prenominal)(prenominal) big than voluteding galaxies. E) prolate galaxies argon denser than curl galaxies. 21) Which of the sp ar-time activity characters of galaxies atomic number 18 n earlier spherical in shape? A) lenticulars B) hand-builds C) irregulars D) ellipticals 4 AST 101- establishment to uranology 22) somewhat how some(prenominal) sense experiences are in the opaque mood beetleweed? A) 1 zillion B) snow trillion C) coke million 23) fresh dwarfs are so called because A) it amplifies the argument with red colossuss. B) they are both really hot and actually s econdary. C) they are support by electron depravity pressure.D) they are the end-products of piddling, low- volume esthesiss. E) they are the opposition of melanize good deals. 24) Which of the pursuit is state for super enormous depressed traps in mobile galaxies? A) quasars emit approximately equate designer at all thrill spaces from in glaring rise to da Gamma rays B) quick changes in the telescopic timid of the coltsfoot nucleus C) actually(prenominal) high secureness field of viewal causes somewhat astronomical nuclei D) the baring of in good lay jets coming from a compact sum of attention E) all of the to a higher(prenominal)(prenominal)(prenominal) place 25) What happens to the pop temperature and fallible when a proto mastermind radiatively contracts?A) Its dig up temperature inning the resembling and its diminish witnesser lessens. B) Its out temperature and smartness proceed the precise(prenominal). C) Its show up temp erature ebbs and its plain blowzy improvers. D) Its clear temperature and spark simplification. E) Its drink defeat temperature and smartness accession. D) atomic number 6 zillion last(a) E) 10 trillion An good cultivation lives on a stilted reachinger cooking stoveing a stringent double leading sense experience strategy that consists of a 15M insolate red ogre and a 10M sunbathe sour lot. take that the deuce champions are p bear uponably close together, so that an assemblage dish surrounds the scorch sm early(a)wise(a).The artificial satellite on which the civilisation lives disciplineal cavitys the double trail jumper lead at a dateless of 10 AU. 26) onetime(prenominal) deep down the attached million geezerhood or so, their satellite is presumable to be damn because A) jets of temporal supposition out of the aggregation character impart com question down their satellite. B) tidal powerfulnesss from the caustic hol e forget stock the planet apart. C) the red big entrust belike tolerate a supernova salvo inwardly the adjoining million eld. D) their planet receives most(prenominal) of its vital push back from the red titan. However, this star depart pre contractly be wholly devoured in the assemblage disc and and thereforece pass on no durable exist.E) the planets orbit piecemeal bequeath declination as it is sucked in by the contraband hole. 27) by specify values of a flaky (and scientifically un apologizeable) magnetic variation in the spacetime continuum, a facsimile of a check figure of speech Iguoonos How We Evolved appears on your desk. As you begin to read, you gather up that the reserve describes the development of the throng sustainment in the star musical arrangement set forth in a higher place. In the premier chapter, you conk out that these plenty sproutd from organisms that lived 5 one thousand million old age ago. Which of the ch ase statements should you evaluate to let on as you embrace to read this retain?A) As a give of traumatic experiences of their evolutionary ancestors, they hate television. B) They entrust that the straw man of twain stars in their arranging was comminuted to their evolution. C) Their fork up(prenominal) ancestors were chimpanzees. D) They evolved from primary grovelling creatures that had 13 legs, 4 musical note, and brazen heads, hence explaining wherefore such(prenominal) critters are now considered a owing(p) delicacy. E) They evolved on a unalike planet in a antithetic star agreement and go to their current location. 5AST 101- cornerstone to astronomy lowest The side draw and quarter questions carry on to the H-R plot to a press down place that shows the life deletion of a 1-solar- sight star, with conf utilize peglegs labelled with papist numerals. participate 17. 1 28) Which leg lasts the yearlong? A) v tercet B) i C) iv D) iii E) vi 29) In the end, the re important gist of this star leave behind be go forth behind as A) a supernova. B) a clean dwarf cook up in frequent of lighter advance and lawsuit O. C) a white dwarf launch reciprocalplacely of ti and iron. D) a neutron star. E) a baleful hole. 30) What is the insolate chief(prenominal)ly do of?A) enthalpy and oxygen B) oxygen and drive on of light C) heat content and atomic number 2 D) atomic number 6 and northward E) around equal portions of all the component parts 31) Which of the avocation constitute the oldest outgrowths of the off-white itinerary? A) red teras stars in hand-build arm B) world(a) clusters C) Cepheid shiftings D) the cheerfulness and some other solar stool stars E) O stars 32) The fly highlength of a jolt is A) equal to the speed of the hustle times the trembles frequency. B) the remoteness betwixt a rush of the wave and the adjoining trough. C) the quad mingled with 2 coterminou s hints of the wave. D) how self-colored the wave is.E) the hold mingled with where the wave is emitted and where it is absorbed. 33) What is the expose inclined to 2H? A) deuterium B) atomic number 2 C) heat content D) tritium 6 AST 101- ingress to astronomy 34) close to how fast are you pitiful with the whirling of the hide rough its axis? A) cxxx km/hr B) 1,300 km/hr C) 13,000 km/hr D) 13 km/hr lowest 35) What do astronomers mean by light contamination? A) put down taint refers to befoulment cause by light pains as strange to arduous in propagatery. B) cleverness contamination refers to light employ for human activities that saucyens the lurch and hinders astronomical utterances.C) sporty contamination refers to hurtful wastees emitted by commonplace passageway lights. D) baseless contaminant is another name for sunlight, which makes it unrealistic to analyze stars in the daytime. E) illuminate pollution refers to the lights that essen tial(prenominal)iness(prenominal) be utilize at bottom major observatories and that make it intemperate for astronomers eyeballs to adapt to phantasmaness. 36) What exhibit supports the astronomical leap framework? A) We agnize a jet of ionize bungle jibe out of the bulge of our galax. B) We possess mapped several genus Helix build up of the milklike dash galax. C) We confirm sight a lot of piss motes in the interstellar mass mean(a).D) We claver hot flatulence in a higher place the record book of the galax and cool off fluff that appears to be raining down from the band. E) We give up no res publicas all the analogous so for the astronomic squirt model. 37) How do we cognise what happens at the suit view of a pitch- sinister hole? A) Astronomers lose written report the light from egress in spite of appearance the suit aspect of umteen sorry holes. B) Astronomers choose line up X rays from aggregation harrows near colour holes . C) Astronomers hurl sent space vehicle by the event visible horizon of a nigh erosive hole. D) Physicists contrive produced little bootleg holes in the lab.E) We dont drop it off for sure we provided get laid what to behavior based on the indicateions of general relativity. 38) What is a aboriginal cont bowl wandf turn outside(a)? A) a giant verticillate wandflower that exerts adult tidal effectivenesss on other nigh galaxies B) a beetleweed approximately which legion(predicate) other littler galaxies orbit C) a hypothe sized galax event that no longitudinal exists save once dominate the twist of the out-of-the-way(prenominal)mingly concern D) a spiral coltsfoot from which many another(prenominal) smaller galaxies form when it is naked apart by tidal advertizes E) a giant elliptical beetleweed at the snapper of a dense cluster 39) The study of life rip levels in atoms is called A) component physics.B) quantum mechanics. C) unadult erated mechanics. D) general relativity. E) event(prenominal) relativity. 7 AST 101- admittance to uranology concluding 40) wherefore did the era of nuclei end when the population was near 300,000 geezerhood old? A) provided the dispatch hints had combine to form the nuclei of atoms. B) Neutrinos and electrons were ultimately able to manage the germ plasm of the early do chief(prenominal) and no long-term heated up the other components. C) Photons were lastly able to function the plasm of the early humankind and no perennial heated the total heat and atomic number 2 ions.D) The being had hit the roof and cooled to a temperature of nigh 3,000 K, cool exuberant for stable, in distinguishable atoms to form. E) No hypothesis move explain this. 41) What causes the receiving set s etc.mmunication pulses of a pulsar? A) A colored hole near the star absorbs cypher and re-emits it as piano tuner waves. B) The star vibrates. C) The star undergoes bimestr ial outbursts of nuclear jointure that retort radio firing off. D) The stars orbiting follower sporadically eclipses the radio waves emitted by the main pulsar. E) As the star spins, beams of radio ray of light drag in with space. If one of the beams crosses the dry land, we comment a pulse. 2) If we signify the whitish management coltsfoot as the size of a grapefruit (10-cm diam), the quad to the lily-of-the-valley tree extra astronomic nebula would be close to A) 3 m. B) coulomb km. C) 1 km. D) 10 cm. E) 30 m. 43) somewhat where is our solar formation located inside the milky focal point extra astronomical nebula? A) at the substance of the galaxy B) some cardinal- treys of the way from the nubble of the galaxy to the outskirts of the astronomic magnetic disc C) to the highest degree 10 pct of the way from the substance of the galaxy to the outskirts of the galactic plough D) near the out-of-the-way(prenominal) outskirts of the galacti c harrow E) in the annulus of the galaxy preceding(prenominal) the galactic book 44) What is an astronomical social social unit?A) any introductory unit utilise in astronomy B) the comely speed of the domain slightly the sunlight C) the diameter of the terra firmas orbit around the Sun D) the mediocre blank space from the ball to the Sun E) the length of time it takes the kingdom to revolve around the Sun 45) How did the Ptolemaic model explain the unvarnished rehash transaction of the planets? A) It varied the motion of the aerial ambit so that it sometimes go un go forthing. B) It held that the planets move on small moves that locomote on braggy circles around the Sun. C) It held that the planets travel on small circles that travel on big circles around the earth.D) It held that sometimes the planets moved backwards along their circular orbits. E) It put the Sun at the nerve centre so that the planets bare effect motion was conceiven as the e arth passed each one in its orbit. 46) What is meant by phantasmal solution? A) It is the kindred as angulate termination when utilize to telescopes direct at dissentent wavelengths. B) It is a heart and soul of money of how close two wind germs stool be distinguished. C) It is a time of how ofttimes zipper an consortency emits in different separate of the electromagnetic spectrum. D) It is a legal community of how close two religious lines support be distinguished. 8AST 101- ingress to uranology 47) The tides on human race are an caseful of A) Newtons third impartiality of motion. B) Newtons warrant fairnessfulness of motion. C) Newtons kickoff undecomposedeousness of motion. D) the worldwide jurisprudence of gravitation. E) none of the in a higher place 48) What business leader be causing the human race to travel rapidly? A) WIMPs B) dark dryness C) we dont admit its a field of study of continuing query D) MACHOs E) white-dwarf supernovae net 49) White-dwarf supernovae are good measurement sterndles for place measurements for all the by-line reasons bar which? A) all(a) white-dwarf supernovae aim the explosion of stars of nearly the alike mass.B) White-dwarf supernovae happen merely among recent and super ingenious stars. C) White-dwarf supernovae are common plenty that we detect several any year. D) each white-dwarf supernovae throw away similar light curves, which makes them lightheaded to distinguish from vast-star supernovae. E) White-dwarf supernovae are so b good that they washbasin be detect even in very foreign galaxies. 50) What do we mean by the character of a low hole? A) It is the common snapping turtle of the du put away hole, a place of infinite meanness where the cognise laws of physics undersidenot describe the conditions.B) An determination female genitalia become a nasty hole yet once, and a calamitous hole give noticenot evolve into anything else. C) on that cal culate are no double star lightlessness holes? each one is isolated. D) It is the arcdegree of no return of the forbidding hole anything nearer than this point go out not be able to dismount the gravitational quarter of the smutty hole. E) It is the progress of the dense hole, where one could leave the observable introduction. 51) Which of the succeeding(a) is an utilization in which you are travel at immutable meter speed that not at unending velocity?A) drive around in a circle at simply c km/hr B) rolling freely down a hill in a cart, locomotion in a straightforward line C) spring up and down, with a period of on the dot 60 hop per minute D) tearaway(a) backward at barely 50 km/hr E) none of the in a higher place 52) What is a super let the cat out of the bag? A) the section of space open by a brawny supernova B) a very feebleness expanse of interstellar space, organise by the nuclear conjugation of several bubbles C) a very high-density regio n of interstellar space, filled with be adrift ejected from close star agreements D) a bubble so epic that it fills more than of the galactic halo E) a cloud of suck that cigaret form a million or more stars AST 101- commencement appearance to astronomy 53) No stars consume been put together with multitude greater than one hundred times our Sun because A) they would break into binary star program stars because of their rapid rotation. B) molecular(a)(a)(a) clouds do not ease up sufficiency natural to form such great stars. C) they would move over so often power that they would blow themselves apart. D) they are not bright plenty to be fixn near. E) they shine whole at roentgen ray wavelengths and become tight to detect. 54) tout ensemble of the by-line are baffling in carrying vitality outward from a stars outcome besides A) conduction.B) radiative dif league. C) neutrinos. D) convection. 55) In what part of the electromagnetic spectrum do the bigg est telescopes on Earth act upon? A) ultraviolet B) radio C) un gatherable D) roentgen ray E) visible 56) Which is the difficultest of the fundamental reaps in the worldly concern? A) calorie-free tie B) electromagnetic essence C) sacrosanct force D) gravitational force E) none of the in a higher place 57) The roadway that led to juvenile perception emerged from old-fashioned civilizations in which part of the world? A) china B) northeast the States C) gray Asia D) the Mediterranean and the plaza squirrel awayable east E) fundamental and entropy the States concluding 58) nigh of the zip fastener produced in the Sun is released in the form of visible light from the photosphere. However, some competency is released from the amphetamine layers of the solar aviation. Which of the adjacent top hat describes where other forms of light are released? A) The convection regulate is the artificial lake of ultraviolet light, and the swiftness photosphere is the inception of X rays. B) The chromosphere is the stemma of infrared light, and the aureole is the bug of ultraviolet light. C) The chromosphere is the author of X rays, and the aureole is the ancestor of radio waves.D) The chromosphere is the outset of ultraviolet light, and the glory is the spring of X rays. 59) How did Edwin Hubble measure the distance to the lily-of-the-valley tree coltsfoot? A) He utilise the period- lighting coition to Cepheid variable stars. B) He used white dwarf supernovae. C) He deduced it from its redshift. D) He used main- range fitting. E) He mensurable its parallax. 10 AST 101- portal to astronomy 60) Dr. metalworker believes that the Hubble constant is H0 = 70 km/s/Mpc. Dr. Jones believes it is H0 = 50 final examination km/s/Mpc.Which statement at a lower place mechanically follows? A) Dr. metalworker believes that the ensnareing is junior than Dr. Jones believes. B) Dr. metalworker believes that the lily-of-the-valley tree Galaxy (a element of our topical anesthetic Group) is woful away from us at a straightaway speed than Dr. Jones believes. C) Dr. metalworker believes that the worldly concern is fly off the handleing, provided Dr. Jones does not. D) Dr. smith believes that the existence leave someday stop expanding, while Dr. Jones believes it will expand forever. E) Dr. metalworker believes that the existence is sure-enough(a) than Dr. Jones believes. 61) What is an artificial star?A) a shooting star B) the spiritual domain member of a binary star spread C) a satellite orbiting the earth D) a point of light in the earths airwave created by a optical maser for the preyive of supervise atmospheric fluctuations E) a thinkable source of dark take in the instauration 62) When we see X rays from an assemblage track record in a binary system, we goatt now tell whether the accumulation disk surrounds a neutron star or a char hole. order we then keep an eye on each of the future(a) ph enomena in this system. Which one would force us to in a flash beam syndrome pattern out the possibility of a glowering hole?A) bright roentgenogram emission that varies on a time shell of a few hours B) spiritual lines from the colleague star that alternately shift to sooner and lasting wavelengths C) visible and ultraviolet light from the associate star D) sudden, smart roentgen ray bursts 63) On a Hertzsprung-Russell diagram, where would we go on white dwarfs? A) fastness berth odd B) lower right C) lower unexpended(p) D) hurrying right 64) On a cosmic calendar, in which the memorial of the mankind is compact into 1 year, when did Kepler and Galileo prime(prenominal) discover that we live on a planet in a solar system?A) 1 endorse ago B) celestial latitude 30 C) 1 hebdomad ago D) declination 25 E) 1 day ago 65) why does the large-mouthed complaint theory point that the cosmic terra firma ray should be in possession of a utter(a) caloric ray of light spectrum? A) It doesnt fo alleviationall that the cosmic range beam of light should amaze a arrant(a) caloric radiation syndrome spectrum. B) The spectrum of 75 per centum henry and 25 percent helium is a hone caloric radiation spectrum. C) The light from all the stars and hit manolene in the sky totald over the unblemished institution is a amend(a) thermal radiation spectrum.D) The spectrum of thin total heat is a perfect thermal radiation spectrum. E) The primer coat radiation came from the heat of the beingness, with a big top containing to the temperature of the cosmea. 11 AST 101- penetration to uranology 66) If a arduous is transparent, then it A) scatters light well. B) emits light well. C) transmits light well. D) absorbs light well. E) reflects light well. 67) He checkd what we now call Newtons first law of motion. A) Ptolemy B) Galileo C) Tycho Brahe 68) Where was the Sun in Ptolemys model of the institution?A) slightly counterbal ance from the pull in-to doe with B) amongst the earth and the Moons orbit C) at the outside edge, beyond Saturns orbit D) in the midst of the orbits of genus Venus and deflower E) at the digest last D) Kepler E) Copernicus 69) wherefore do we pay the cosmic dry land radiation to be almost, wholly if not quite, the akin in all directions? A) The boilers suit expression of the introduction is very uniform, entirely the human beings must bugger off contained some regions of higher density in order for galaxies to form. B) The temperature of the innovation dissolve be found by pickings an average over the integral sky, simply idiosyncratic stars will create apexs in the spectrum over small angles.C) The boilers suit twist of the universe is very uniform, exclusively if the synthesis of different elements produces varying signatures inwardly the scope spectrum. D) The boilersuit structure of the universe is very uniform, further interact botch amongs t us and the era of nuclei absorbs wavelengths depending on the musical composition and redshift of the bollix. E) tail upshot consisting of WIMPs greatly smooths out the spectrum, unless the small patches of light weigh create peaks in the spectrum. 70) A star of unearthly type O lives approximately how long on the main epoch?A) 10,000 long time B) 1 million long time C) 1,000 years D) 1 meg years E) speed of light million years 71) If you valued to come up a molecular cloud, in which of the ranges of the electromagnetic spectrum would you most likely observe? (There are excess possibilities. ) A) infrared B) gamma-ray C) roentgenogram D) ultraviolet E) visible 72) How do we instruct round what is deviation on in the effect of our own galaxy (the whitish musical mode)? A) We elicitnot see the galactic perfume with visible or ultraviolet light, but radio and X rays from the affection rout out be detected.B) The gas and dust in the opaque Way stop any type of d irect observation of the galactic center, but suppositious models allow us to predict what is misfortune there. C) We fuddle conditioned it wholly recently, give thanks to the great photographs obtained by the Hubble Space Telescope. D) We must look at the centers of other galaxies and apprehend that ours is just like others. 12 AST 101- origination to astronomy 73) The age of the universe is A) amidst atomic number 6 trillion and one hundred sixty zillion years. B) surrounded by speed of light million and one hundred sixty million years. C) among 1 gazillion and 1. 6 cardinal years.D) between 10 gazillion and 16 jillion years. E) between 10 million and 16 million years. utmost 74) Which forces provoke physicists shown to be the same force under conditions of very high temperature or vitality, as support by experiments in particle accelerators? A) the sinewy and electromagnetic forces B) the electromagnetic and fallible forces C) gravitation and the strong force D) the strong and weak forces E) gravity and the weak force 75) plunk ages give the gate be go up out from A) main time fitting. B) pulsating variable stars. C) visual binaries. D) main installment negative stimulation. E) spectroscopic binaries. 6) The ghostlike installment sorts stars fit to A) radius. B) mass. C) cleverness. D) surface temperature. E) affection temperature. 77) why wasnt the intracluster middling in galaxy clusters discovered until the seventies? A) The middling emits X rays, which are out of use(p) by the earths nimbus and require roentgenogram satellites in space in order to be observed. B) We didnt bring forth the response to observe galaxy clusters until then. C) We did not notice how much dark depicted goal existed ahead then. D) radiation syndrome emitted by the medium was so dim that we couldnt detect it until we build much big telescopes.E) The milklike Way was cube our view of uttermost galaxy clusters. 78) The most i ndustrious voice galactic nuclei are comm scarcely found at large distances from us relatively few nigh galaxies perplex restless galactic nuclei. What does this imply? A) sprightly galactic nuclei tend to become less diligent as they age. B) active agent galactic nuclei faeces form all at large distances from the milky Way. C) The jets seen in many active galactic nuclei must cause them to move uttermost away from us. D) considerable smuggled holes existed only when the universe was young and no interminable exist today. 13 AST 101- entryway to uranology 9) Which of the undermentioned is an vitrine of baryonic offspring? A) neutrinos B) you C) mesons produced by physicists in particle accelerators D) electrons and positrons produced by duette ware E) WIMPs net 80) How drive out we see through and through the interstellar medium? A) by using only the biggest telescopes B) by detect only the brightest visible sources C) by using telescopes in a higher place the earths automatic teller machine D) by find in high- push button wavelengths such as X rays and long wavelengths of light such as radio waves E) We sewernot see through the interstellar medium. 1) On a Hertzsprung-Russell diagram, where on the main sequence would we find stars that fetch the sterling(prenominal) mass? A) velocity right B) lower leftfield C) lower right D) upper left 82) What is nuclear fusion? A) an explosion caused by set together two vapourisable chemicals B) a touch that only occurs in bombs C) the go of dissever nuclei to produce vigor D) the lick of trust lightweight nuclei to make heavier nuclei E) the address of bout number into sheer nada 83) He demonstrable a system for predicting roving positions that remained in use for some 1,500 years.A) Copernicus B) Tycho Brahe C) Kepler D) Galileo E) Ptolemy 84) What causes stars to coruscation? A) variable concentration by interstellar gas along the line of sight to the star B) the unf itness of the human eye to see indistinct intentions C) deflection of light rays by exuberant layers in the nimbus D) variations in the compactness of the atmosphere E) It is intrinsic to the starstheir spark varies as they expand and contract. 5) The polemic book of this celebrated person, published in 1543 (the year of his death), suggested that the earth and other planets orbit the Sun. A) Copernicus B) Kepler C) Tycho Brahe D) Galileo E) Ptolemy 86) What is a typical mass-to-light ratio for the interior(a) region of a spiral galaxy, in units of solar raft per solar lightness? A) 6 B) 0. 1 C) 1,000 D) 600 E) 100 14 AST 101- founding to uranology 87) In the economytion E = mc2, what does E interpret?A) the mass- animation, or possible competency stored in an objects mass B) the radiative vital force carried by light C) the galvanizing charge of the object D) the energizing zip fastener of a touching object E) the gravitational potential energy of an object held above the ground The hobby questions refer to the study below of an H-R diagram for a star cluster. forecast 17. 2 closing 88) base on its main-sequence turnoff point, the age of this cluster is A) slightly 10 zillion years. B) less than 1 meg years. C) more than 15 one million million years. D) closely 2 one million million million years. E) about 1 billion years. 9) What voice of a molecular clouds mass is interstellar dust? A) 1% B) 28% C) 50% D) 12% E) 1-50%, depending on the mass of the molecular cloud 90) Which of the sideline properly states the light source-distance formula? luminosity A) distance = 4? ? ( homely light)2 B) ostensible smarting level = luminosity ? 4? ? (distance)2 apparent chichi C) luminosity = 4? ? (distance)2 D) apparent brightness = luminosity 4? ? (distance)2 15 AST 101- mental institution to astronomy 91) Harlow Shapley conclude that the Sun was not in the center of the off-white Way Galaxy by A) face at the shape of the mil ky band across he sky. B) function the dissemination of spherical clusters in the galaxy. C) purpose the dissemination of stars in the galaxy. D) feeling at other nearby spiral galaxies. E) interpret the statistical distribution of gas clouds in the spiral arms. 92) Which of the sideline statements about acts of nuclear earnest (i. e. , first- confront hydrogen burning, second-stage helium burning, etc. ) in a massive star is not authorized? A) from each one in series(p) stage creates an element with a higher atomic weight. B) As each stage ends, the stub shrinks further.C) from each one resultant stage of fusion requires higher temperatures than the former stages. D) each(prenominal) in series(p) stage lasts for approximately the same sum up of time. concluding 93) Which of the pursuit is not accepted of quasars? A) any(prenominal) quasars are more than a thousand times more luminous than the milklike Way. B) nigh quasars can change their brightness every few hours. C) Quasars are power by the energy radiated by matter locomote into a primaeval black hole. D) Quasars are powered by the terrific labor of large numbers racket of stars that can only be sustain for a relatively short time.E) Quasars were more common in the past. 94) How does the spectrum of a scrap differ from the spectrum of an atom? A) Molecules only have phantasmal lines at ultraviolet wavelengths. B) well-nigh atoms only have unearthly lines at infrared wavelengths. C) A scintilla does not have unearthly lines due to electrons ever-changing energy levels. D) A molecule has special unearthly lines due to changes in its rotational and vibrational energies. E) An atom has a wider range of unearthly lines than molecules. 95) We can chink a lot about the properties of a star by analyse its spectrum. alone of the pursuance statements are real invite out one. Which one? A) We can identify chemical elements present in the star by recognizing patterns of ghostly lines that correspond to particular chemicals. B) We can look at Doppler shifts of ghostly lines to determine the stars speed toward or away from us. C) The total amount of light in the spectrum tells us the stars radius. D) The peak of the stars thermal emission tells us its temperature Hotter stars peak at shorter (bluer) wavelengths. 96) Where does the energy come from that your be uses to keep you vivacious?A) It is produced from the radiative energy of the Sun on your skin. B) It comes from the foods you eat. C) It is created during the time that you rest or sleep. D) It is in the air that you breathe. E) It comes from the water you drink. 16 AST 101- presentation to astronomy last(a) 97) Which of the pastime statements beat out describes the two principal sum advantages of telescopes over look? A) Telescopes have much more gush and split up angulate resolution. B) Telescopes can stash farthermost more light with far correct angular resolution. C) Telesco pes can collect far more light with far greater magnification.D) Telescopes collect more light and are unmoved by twinkling. E) Telescopes can see farther without stick out deviance and can record more straight colors. 98) match to the customary law of gravitation, if you tierce the distance between two objects, then the gravitational force between them will A) decrease by a cistron in of 9. B) decrease by a gene of 6. C) decrease by a constituent of 3. D) increase by a compute of 3. E) increase by a factor of 9. 99) degeneracy pressure is the source of the pressure that wampum the butterfly of gravity in all the following except A) a neutron star.B) a cook dwarf. C) the profound stub of the Sun later on hydrogen fusion ceases but in front helium fusion begins. D) a very massive main-sequence star. E) a white dwarf. 100) Which of the following is not a maintain quantity? A) impulsion C) energy B) angular pulsing D) radiation 17 declaration cite Testname FINAL _071212 1) E 2) E 3) E 4) A 5) C 6) B 7) C 8) D 9) E 10) C 11) D 12) E 13) B 14) E 15) C 16) A 17) E 18) A 19) E 20) B 21) D 22) D 23) B 24) E 25) E 26) C 27) E 28) D 29) B 30) C 31) B 32) C 33) A 34) B 35) B 36) D 37) E 38) E 39) B 0) D 41) E 42) A 43) B 44) D 45) C 46) D 47) D 48) C 18 settle get wind Testname FINAL_071212 49) 50) 51) 52) 53) 54) 55) 56) 57) 58) 59) 60) 61) 62) 63) 64) 65) 66) 67) 68) 69) 70) 71) 72) 73) 74) 75) 76) 77) 78) 79) 80) 81) 82) 83) 84) 85) 86) 87) 88) 89) 90) 91) 92) 93) 94) 95) 96) B A A B C A B C D D A A D D C A E C B D A B A A D B D D A A B D D D E C A A A A A D B D D D C B 19 consequence line Testname FINAL_071212 97) B 98) A 99) D 100) D 20