rb1b AbModernbViewbofbthebUniverse
1.1 Multiple-ChoicebQuestions
1) Whatbisbthebmeaningbofbthebwordbcosmos?
A) theboriginbofbEarthbandblifebuponbit
B) theblightbfrombabdistantbastronomicalbobject
C) thebMilkybWay
D) thebsumbtotalbofballbmatterbandbenergy,bthatbis,beverythingbwithinbandbbetweenballbgalaxies
E) thebdarkbskyb
Answer:b D
2) Whichbofbthebfollowingbhasbyourb"address"binbthebcorrectborder?
A) you,bEarth,bsolarbsystem,bLocalbGroup,bLocalbSupercluster,bMilkybWay
B) you,bEarth,bsolarbsystem,bMilkybWay,bLocalbSupercluster,bLocalbGroup
C) you,bEarth,bsolarbsystem,bLocalbGroup,bMilkybWay,bLocalbSupercluster
D) you,bEarth,bLocalbGroup,bLocalbSupercluster,bsolarbsystem,bMilkybWay
E) you,bEarth,bsolarbsystem,bMilkybWay,bLocalbGroup,bLocalbSuperclusterb
Answer:b E
3) AboutbwherebisbourbsolarbsystemblocatedbwithinbthebMilkybWaybGalaxy?
A) atbthebcenterbofbthebgalaxy
B) aboutb10bpercentbofbthebwaybfrombthebcenterbofbthebgalaxybtobtheboutskirtsbofbthebgalacticbdisk
C) aboutbtwo-thirdsbofbthebwaybfrombthebcenterbofbthebgalaxybtobtheboutskirtsbofbthebgalacticbdisk
D) nearbthebfarboutskirtsbofbthebgalacticbdisk
E) inbthebhalobofbthebgalaxybabovebthebgalacticbdiskb
Answer:b C
4) RoughlybhowbmanybstarsbarebinbthebMilkybWaybGalaxy?
A) 1bbillion
B) 100bbillion
C) 10bbillion
D) 100bmillion
E) 100btrillionb
Answer:bB
5) Modernbtelescopesbarebcapablebofbseeingbbrightbgalaxiesbupbtobabout
A) 1bmillionblight-yearsbaway.
B) 10bmillionblight-yearsbaway.
C) 1bbillionblight-yearsbaway.
D) 10bbillionblight-yearsbaway.
E) 1btrillionblight-
yearsbaway.bAnswer:b D
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Copyrightb©b2014bPearsonbEducation,bInc.
,6) SupposebwebimaginebthebSunbtobbebaboutbthebsizebofbabgrapefruit.bHowbbigbanbareabwouldbthebo
rbitsbofbthebeightbplanetsbofbthebsolarbsystembcover?
A) thebsizebofbabtypicalbdormbroom
B) thebsizebofbabtypicalbcampusbbuilding
C) thebsizebofbabtypicalbcampus
D) thebsizebofbabsmallbcity
E) thebsizebofbabwesternbstateb(e.g.,bColorado)b
Answer:b C
7) Whatbdobwebmeanbwhenbwebsaybthatbthebuniversebisbexpanding?
A) Averagebdistancesbarebincreasingbbetweenbstarbsystemsbwithinbgalaxies.
B) Everythingbinbthebuniversebisbgraduallybgrowingbinbsize.
C) Averagebdistancesbarebincreasingbbetweenbgalaxies.
D) Thebstatementbisbnotbmeantbtobbebliteral;brather,bitbmeansbthatbourbknowledgebofbthebuniversebisbg
rowing.
E) Individualbgalaxiesbarebgraduallybgrowingbinbsize.b
Answer:b C
8) Thebagebofbthebuniversebis
A) betweenb10bmillionbandb16bmillionbyears.
B) betweenb100bmillionbandb160bmillionbyears.
C) betweenb1bbillionbandb1.6bbillionbyears.
D) betweenb10bbillionbandb16bbillionbyears.
E) betweenb100bbillionbandb160bbillionbyears.b
Answer:b D
9) Howbarebgalaxiesbimportantbtobourbexistence?
A) Withoutbgalaxies,btherebcouldbnotbhavebbeenbabBigbBang.
B) Withoutbgalaxies,bthebuniversebcouldbnotbbebexpanding.
C) Galaxiesbpreventbplanetsbfrombleavingbtheirborbitsbaroundbstars;be.g.,bourbgalaxybpreventsbEarthbf
rombleavingbitsborbitbofbthebSun.
D) Galaxiesbrecyclebheavybelementsbproducedbinbstarsbintobfuturebgenerationsbofbstars.
E) GalaxiesbprovidebthebgravitybthatbpreventsbusbfrombfallingboffbEarth.b
Answer:b D
10) Earthbisbmadebmostlybofbmetalsbandbrocks.bWherebdidbthisbmaterialbcomebfrom?
A) ItbwasbproducedbinbthebBigbBang.
B) Itbwasbcreatedbbybchemicalbreactionsbinbinterstellarbspace.
C) Itbwasbproducedbbybnuclearbfusionbinbstars.
D) ItbwasbmadebbybourbSun.
E) Itbwasbmadebbybnuclearbfissionbofburaniumbandbotherbradioactivebmaterials.b
Answer:b C
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Copyrightb©b2014bPearsonbEducation,bInc.
,11) Whatbisbnuclearbfusion?
A) anbexplosionbcausedbbybputtingbtogetherbtwobvolatilebchemicals
B) thebprocessbofbsplittingbnucleibtobproducebenergy
C) thebprocessbofbturningbmatterbintobpurebenergy
D) thebprocessbofbcombiningblightweightbnucleibtobmakebheavierbnuclei
E) abprocessbthatbonlyboccursbinbbombsb
Answer:b D
12) WhybdidbCarlbSaganbsaybthatbwebarebstarbstuff?
A) Thebcompositionbofbmostbstarsb(mostlybhydrogenbandbhelium)bisbaboutbthebsamebasbthebc
ompositionbofbourbbodies.
B) CosmicbraysbreachingbEarthbfrombdistantbastronomicalbsourcesbmaybbebonebsourcebofb
mutationsbthatbhelpbevolutionbalong.
C) Nearlybeverybatombfrombwhichbwebarebmadebonceb(beforebthebsolarbsystembformed)bwasbinsidebo
fbabstar.
D) Nearlybeverybatombfrombwhichbwebarebmadebwasboncebinsidebourbstar,bthebSun.
E) Saganbthoughtbthatballbofbusbhavebthebpotentialbtobbebmovieb(orbTV)bstarsblikebhebwas.bA
nswer:b C
13) Whichbofbthebfollowingbstatementsbdoesbnotbusebthebtermblight-yearbinbanbappropriatebway?
A) It'sbaboutb4blight-yearsbfrombherebtobAlphabCentauri.
B) Itbwillbtakebmeblight-yearsbtobcompletebthisbhomeworkbassignment.
C) Ablight-yearbisbaboutb10btrillionbkilometers.
D) ItbwillbtakebthebVoyagerbspacecraftbaboutb20,000byearsbtobtravelbjustb1blight-year.
E) ThebMilkybWaybGalaxybisbaboutb100,000blight-
yearsbinbdiameter.bAnswer:bB
14) Oneblight-
hourbisbthebdistancebthatblightbtravelsbinbanbhour.bHowbfarbisbthis,binbkilometers?b(Recallbthatbtheb
speedbofblightbisb300,000bkm/s.)
A)b300,000bkm
B) 18bmillionbkm
C) 100bmillionbkm
D) 1.08bbillionbkm
E) 9.46btrillionbkmb
Answer:b D
15) Supposebweblookbatbabphotographbofbmanybgalaxies.bAssumingbthatballbgalaxiesbformedbatba
boutbthebsamebtime,bwhichbgalaxybinbthebpicturebisbthebyoungest?
A) thebonebthatbisbfarthestbaway
B) thebonebthatbisbreddestbinbcolor
C) thebonebthatbisbbluestbinbcolor
D) thebonebthatbisbclosestbtobus
E) thebonebthatbappearsbsmallestbinbsizeb
Answer:b A
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Copyrightb©b2014bPearsonbEducation,bInc.
, 16) Whatbdobwebmeanbbybthebobservablebuniverse?
A) thebpartbofbthebuniversebthatbwebcanbseebwithbthebnakedbeye
B) thebpartbofbthebuniversebthatbwebcanbseebthroughbtelescopes
C) thebpartbofbthebuniversebthatbcouldbbebobservedbinbprinciple,bincludingbthingsbthatbmaybrequirebf
uturebtechnologies
D) thebcompendiumbofballbobjectsbthatbwebhavebobservedbtobdate
E) thebentirebuniverse,bsincebitbisbinconceivablebthatbtherebcouldbbebpartsbofbthebuniversebthatbwebc
annotbobserve
Answer:b C
17) SupposebwebimaginebthebSunbtobbebaboutbthebsizebofbabgrapefruit.bWhichbofbthebfollowingbd
escribesbthebsizebandbdistancebofbEarthbonbthebsamebscale?
A) Earthbisbthebsizebofbabpointbaboutb1bmeterbawaybfrombthebSun.
B) Earthbisbthebsizebofbabgolfbballbaboutb1bmeterbawaybfrombthebSun.
C) Earthbisbthebsizebofbabpointbaboutb15bmetersbawaybfrombthebSun.
D) Earthbisbthebsizebofbabgolfbballbaboutb15bmetersbawaybfrombthebSun.
E) Earthbisbthebsizebofbabmarblebaboutb25bmilesbawaybfrombthebSun.b
Answer:b C
18) WhatbisbthebSunbmainlybmadebof?
A) hydrogenbandboxygen
B) hydrogenbandbhelium
C) carbonbandbnitrogen
D) oxygenbandbcarbon
E) nearlybequalbportionsbofballbthebelementsb
Answer:bB
19) Whichbofbthebfollowingbisbsmallest?
A) sizebofbabtypicalbplanet
B) 1blight-second
C) 1bAU
D) sizebofbabtypicalbstarb
Answer:b A
20) Whichbofbthebfollowingbisblargest?
A) sizebofbabtypicalbgalaxy
B) sizebofbPluto'sborbit
C) distancebtobthebnearestbstarb(otherbthanbourbSun)
D) 1blight-
yearbAnswer:b
A
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Copyrightb©b2014bPearsonbEducation,bInc.