m m m m m m m m m m
tt
ThemEssentialmCosmicmPerspective,m8em(Bennettmetmal
.)mChapterm2m DiscoveringmthemUniversemformYoursel
f
2.1 MultiplemChoicemQuestions
1) Whichmofmthemfollowingmstatementsmaboutmthemcelestialmequatormismtruematmallmlatitudes?
A) ItmliesmalongmthembandmofmlightmwemcallmthemMilkymWay.
B) ItmrepresentsmanmextensionmofmEarth'smequatormontomthemcelestialmsphere.
C) Itmcutsmthemdomemofm yourmlocalmskymexactlyminmhalf.
D) Itmextendsmfrommyourmhorizonmduemeast,mthroughmyourmzenith,mtomyourmhorizonmduemwest.
E) Itmextendsmfrommyourmhorizonmduemnorth,mthroughmyourmzenith,mtomyourmhorizonmduemsou
th.mAnswer:mB
2) Atmmidnight,monmamclearmandmmoonlessmnight,mthemnumbermofmstarsmthatmaremdistinctlymvisible
mtom
themeyemisminmthemrange
A)m2000-5000.
B)m20,000-50,000.
C)m200,000-500,000.
D)m2mmillion-
5mmillion.mAnswer:m A
3) Themnumbermofmofficialmconstellationsmi
smA)m56.
B)m88.
C)m123.
D)m205.
Answer:m B
4) Howmmanymarcsecondsmareminmonemdegree?
A) 60
B)m360
C)m3,600
D)m100
E)m10,000
Answer:m C
5) Whatmismamcircumpolarmstar?
A) amstarmthatmismclosemtomthemnorthmcelestialmpole
B) amstarmthatmismclosemtomthemsouthmcelestialmpole
C) amstarmthatmalwaysmremainsmabovemyourmhorizon
D) amstarmthatmmakesmamdailymcirclemaroundmthemcelestialmsphere
E) amstarmthatmismvisiblemfrommthemArcticmormAntarcticmcircl
esmAnswer:m C
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6) Whichmofmthemfollowingmstatementsmaboutmcircumpolarmstarsmismtruematmallmlatitudes?
A) Theymaremthemstarsmclosemtomthemnorthmcelestialmpole.
B) Theymalwaysmremainmabovemyourmhorizon.
C) Theymmakemrelativelymsmallmcircles,mtravelingmclockwisemaroundmthemnorthmcelestialmpole.
D) Likemallmothermstars,mtheymriseminmthemeastmandmsetminmthemwest.
E) YoumcannotmseemthemmfrommthemSouthernmHemispher
e.mAnswer:mB
7) WhatmmakesmthemNorthmStar,mPolaris,mspecial?
A) Itmismthembrightestmstarminmthemsky.
B) Itmismthemstarmstraightmoverhead.
C) Itmappearsmverymnearmthemnorthmcelestialmpole.
D) Itmismthemstarmdirectlymonmyourmnorthernmhorizon.
E) ItmcanmbemusedmtomdeterminemyourmlongitudemonmEart
h.mAnswer:m C
8) YoumaremstandingmonmEarth'smequator.mWhichmwaymismPolaris,mthemNorthmstar?
A) 30mdegreesmup,mduemWest
B) onmthemnorthernmhorizon
C) directlymoverhead
D) Themanswermdependsmonmwhethermit'smwintermormsummer.
E) Themanswermdependsmonmwhatmtimemofmdaym(ormnight)mitm
is.mAnswer:mB
9) Bymlocatingmthemnorthmcelestialmpolem(NCP)minmthemsky,mhowmcanmyoumdeterminemyourmlatitude?
A) ThemaltitudemofmthemNCPmismthemsamemasmyourmlatitude.
B) ThemaltitudemofmthemNCPmismyourmangularmdistancemfrommthemNorthmPole.
C) ThemdirectionmofmthemNCPmismthemsamemasmyourmlatitude.
D) ThemdirectionmofmthemNCPmismthemangularmdistancemfrommthemNorthmPole.
E) ThemaltitudemofmthemNCPmismthemsamemasmyourmdistancemfrommthemNorthmP
ole.mAnswer:m A
10) ThemconstellationmOrion,mlocatedmonmthemcelestialmequator,mismvisiblemonmwintermeveningsmbutm
notmonmsummermeveningsmbecausemof
A) blockagembymthemfullmmoon.
B) themtiltmofmEarth'smrotationmaxis.
C) themlocationmofmEarthminmitsmorbitmaroundmthemSun.
D) themprecessionmofmEarth'smrotationmaxi
s.mAnswer:m C
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11) WhymismitmsummerminmthemNorthernmHemispheremwhenmitmismwinterminmthemSouthernmHemisphere?
A) DuemtomEarth'smtilt,mthemNorthernmHemispheremismclosermtomthemSunmthanmthemSouth
ernmHemisphere.
B) ThemNorthernmHemispheremismtiltedmtowardmthemSunmandmreceivesmmoremdirectmsunlight.
C) ThemNorthernmHemispheremismtiltedmawaymfrommthemSunmandmreceivesmmoremindirectmsunlight.
D) Itmisn't;mbothmhemispheresmhavemthemsamemseasonsmatmthemsamemtime.mSummermcomesmwhenmEa
rthmismnearestmthemSun.
Answer:m B
12) Whichmofmthemfollowingmstatementsmismtrue?
A) BothmthemNorthernmandmSouthernmhemispheresmreceivemthemsamemamountmofmsunlightmonm
themequinoxes.
B) BothmthemNorthernmandmSouthernmhemispheresmreceivemthemsamemamountmofmsunlightmonm
themsolstices.
C) ThemNorthernmHemispheremreceivesmthemmostmdirectmsunlightmonmthemJunemsolstice.
D) ThemSouthernmHemispheremreceivesmthemmostmdirectmsunlightmonmthemJunemsolstice.
E) BothmAmandmCmaremtru
e.mAnswer:m E
13) Whichmofmthemfollowingmstatementsmaboutmconstellationsmismfalse?
A) Theremaremonlym88mofficialmconstellations.
B) SomemconstellationsmcanmbemseenmfrommbothmthemNorthernmandmSouthernmhemispheres.
C) Somemconstellationsmcanmbemseenminmbothmthemwintermandmsummer.
D) ItmismpossiblemtomseemallmthemconstellationsmfrommEarth'smequator.
E) Mostmconstellationsmwillmbemunrecognizablemhundredsmofmyearsmfrommno
w.mAnswer:m E
14) Whichmofmthemfollowingmstatementsmaboutmlunarmphasesmismtrue?
A) Themtimembetweenmnewmmoonsmismtwomweeks.
B) Onlymonemquartermofmthemfirst-quartermmoonmismilluminatedmbymthemSun.
C) Themfullmmoonmsometimesmrisesmaroundmmidnight.
D) ItmismpossiblemtomhavemtwomfullmmoonsmduringmJanuary,mbutmnotmduringmFebruary.
E) ItmismpossiblemtomhavemtwomfullmmoonsmduringmNovember,mbutmnotmduringmDecemb
er.mAnswer:m D
15) Whilemthemhistoricalmdefinitionmofmamconstellationmism"ampatternmormfiguremofmstarsminmthemsk
y,"mthemmodernmdefinitionmusedmbymastronomersmis
A) amgroupmofmstarsminmthemskymthatmaremallmverymclosemtomeachmother.
B) amspecificallymnamedmandmborderedmregionmofmthemcelestialmsphere.
C) anymgroupingmofmverymbrightmstarsminmourmgalaxy,moftenmhostingmamstarmcluster.
D) nomdefinition.mAstronomersmnomlongermusemthemtermmconstellation,mjustmnumericalmcoordinat
es.mAnswer:mB
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