Test Bank for Astronomy a beginners guide to the universe 7th edition by Eric Chaisson and McMillan Chapters 1-18 Covered

TEST BANK For Astronomy A Beginners Guide to the Universe, 8th
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Edition by Chaisson, f f f




Becausefofftidalfforcesfthefmoonfisfinfafsynchronousforbitfaroundfearthf-fANSWER:ftrue

theflargestfplanetsfalsofhaveftheflargestfdensitiesf-fANSWER:ffalse

theftotalfmassfoffallfthefplanetsfisfmuchflessfthanfthefmassfoffthefsunf-fANSWER:ftrue

Asteroidsfwerefrecentlyfformedfbyfthefcollisionfandfbreakupfoffanfobjectforbitingfinfthef
asteroidfbelt.f-fANSWER:ffalse

Mostfcometsfhavefshortfperiodsfandforbitfcloseftofthefeclipticfplane.f-fANSWER:ffalse

thefsolarfsystemfisfofflargelyfuniformfcompositionf-fANSWER:ffalse

astroids,fmeteoroids,fandfcometsfarefremnantsfoffthefearlyfsolarfsystemf-
fANSWER:ftrue




Astronomersfhavefnoftheoreticalfexplanationfforfthef"hotfJupiters"fobservedforbitingfs
omefotherfstars.f-fANSWER:ffalse

Iffwefwereftofconstructfanfaccuratefscalefmodelfoffthefsolarfsystemfonfaffootballffieldfwit
hfthefSunfatfonefendfandfNeptunefatfthefother,fthefplanetfclosestftofthefcenterfofftheffiel
dfwouldfbef-fANSWER:furanus

infthefleadingftheoryfoffthefsolarfsystemfformation,fthefplanetsfweref-
fANSWER:fformedffromfthefsamefflattened,fswirlingfgasfcloudfthatfformedfthefsun




thefsolarfsystemfisfdifferentiatedfbecausef-
fANSWER:fonlyfrockyfandfmetallicfparticlesfcouldfformfcloseftofthefSun




waterfonfearthfwasf-fANSWER:ftransportedfherefbyfcomets

thefnumberfoffconfirmedfexoplanetsfisf-fANSWER:fmorefthanf500

astronomersfhavefnotfyetfreportedfanyfearth-likefplanetsforbitingfstarsfbecausef-
fANSWER:ftheyfarefnotfdetectablefwithfcurrentftechnology




thefhabitablefzonefoffafstarftwicefasfmassivefasfthefsunf-
fANSWER:fisfcenteredfatfroughlyf3fAUffromfthefstar




accordingftoftheffigureftheftemperaturefinfthefsolarfnebulafisfatftheflocationfnowfatfthefc
enterfoffthefastroidfbeltfisf-fANSWER:f400fK

,Lunarfmariafarefextensiveflava-flowfregionsf-fANSWER:ftrue

ExceptfforftheflayerfoffairfclosestftofEarth'sfsurface,fthefozoneflayerfisfthefwarmestfpartfo
ffthefatmosphere.f-fANSWER:ftrue

earthsfmagneticffieldfisfthefresultfoffourfplanetsflargefpermanentlyfmagnetizedfironfcor
ef-fANSWER:ffalse

MotionfoffthefcrustalfplatesfisfdrivenfbyfconvectionfinfEarth'sfupperfmantle.f-
fANSWER:ftrue




Volcanicfactivityfcontinuesftodayfonfthefsurfacefoffthefmoon.f-fANSWER:ffalse

LikefEarth,fthefMoonfhasfafmoltenfmetalfcore.f-fANSWER:ffalse

iffyoufwerefmakingfafscalefmodelfoffearthfrepresentingfoutfplanetfbyfaf12finchfbasketbal
lfthefinnerfcorefwouldfbefaboutfthefsizefoff-fANSWER:faf2finchfgolffball

earthsfaveragefdensityfisfaboutfthefsamefasfthatfoff-
fANSWER:fafchunkfoffblackfvolcanicfrock




SunlightfabsorbedfbyfEarth'sfsurfacefisfreemittedfinfthefformfoff-fANSWER:finfrared

thefdeepestfthatfgeologistsfhavefdrilledfintofearthfisfaboutfthefsamefasf-
fANSWER:fthefaltitudefmostfcommercialfjetfairplanesffly




IffEarthfhadfnofMoon,fthenftidesfwouldf-
fANSWER:foccurfwithfthefsameffrequency,fbutfwouldfnotfbefasfstrong




thefmostflikelyftheoryfoffthefformationfoffthefmoonfisfthatfitf-
fANSWER:fformedffromfafcollisionfoffearthfwithfafmarsfsizedfobject




accordingftoftheffigurefearthsfatmospheref-fANSWER:ftheftroposphere

theffirstffigurefinf5-
2fshowsfthatfCO2flevelsfinfthefearthsfatmospherefbeganftofrisefrapidlyf-
fANSWER:finfthefmidf19thfcentury




Mercury'sfsolarfdayfisflongerfthanfitsfsolarfyear.f-fANSWER:ftrue

NumerousfsurfaceffeaturesfonfVenusfcanfbefseenfinfEarth-
basedfimagesfmadefinfthefultravioletfpartfoffthefspectrum.f-fANSWER:ffalse

EvidencefofflavafflowsfisfcommonfonfthefsurfacefoffVenus.f-fANSWER:ftrue

TherefisfstrongfcircumstantialfevidencefthatfactivefvolcanismfcontinuesfonfVenus.f-
fANSWER:ftrue

, Marsfhasftheflargestfvolcanoesfinfthefsolarfsystem.f-fANSWER:ftrue

therefarefmanyfindicationsfoffpastfplateftectonicsfonfmarsf-fANSWER:ffalse

VallesfMarinerisfisfcomparablefinfsizeftofEarth'sfGrandfCanyon.f-fANSWER:ffalse

Mercury'sflargefoverallfdensityfsuggestsfthatfthefplanetf-
fANSWER:fhasfafdensefmetalfcore




Venus'sfsurfacefisfpermanentlyfobscuredfbyfclouds.fAsfafresult,fthefsurfacefhasfbeenfstu
diedfprimarilyfbyf-fANSWER:forbitingfsatellitesfusingfrafar

comparedfwithfearth,fvenusfhasfaflevelfoffplateftectonicfactivityfthatfisf-
fANSWER:fvirtuallyfnonexistent




Venus'sfatmosphericftemperaturefisf-fANSWER:fhotterfthanftemperaturesfonfMercury

inftermsfoffarea,fthefextinctfmartianfvolcanofolympusfmonsfisfaboutfthefsizefoff-
fANSWER:fcolorado




infcomparisonftofthefatmospherefoffvenus,fthefvastlyfdifferentfatmosphericfcharacterfo
ffmatsfisflikelyfdueftof-fANSWER:fafreversefgreenhousefeffect

inffiguref6.3fplanetaryfradarf-fANSWER:fthefupperfpartfoffthefplanet

offtheffollowingfthefbestfevidencefforfthefexistencefoffliquidfwaterfonfanfancientfmarsfisf
figuref-fANSWER:f6.23

thefsolidfsurfacefoffjupiterfliesfjustfbelowfthefcloudflayersfthatfarefvisibleffromfearthf-
fANSWER:ffalse




Stormsfinfthefjovianfplanets'fatmospheresfarefgenerallyfmuchflongerflivedfthanfstormsf
onfEarth.f-fANSWER:ftrue

thefelementfheliumfplaysfanfimportantfrolefinfproducingfsaturnsfatmosphericfcolorsf-
fANSWER:ffalse




JupiterfemitsfmorefenergyfthanfitfreceivesffromfthefSun.f-fANSWER:ftrue

Althoughfoftenfreferredftofasfafgaseousfplanet,fJupiterfisfmostlyfliquidfinfitsfinterior.f-
fANSWER:ftrue




Neptunefprobablyfdoesfnotfhavefafrockyfcore.f-fANSWER:ffalse

AroundfnorthernfmidsummerfonfUranus,fanfobserverfnearfthefnorthfpolefwouldfobserv
efthefSunfhighfandfalmostfstationaryfinfthefsky.f-fANSWER:ftrue