listEning 5"AstronomyClAss"
{$mEDiAurl}
why woulDn’t A photogrAph CApturE A truE piCturE oF thE solAr systEm wAlk
A、it woulD not show thE DistAnCEs BEtwEEn thE BoDiEs in spACE.
B、thE inFormAtion on thE mArkErs woulD not BE visiBlE in A piCturE.
C、thE sCAlE For thE moDEl wAs not lArgE Enough to BE ACCurAtE.
D、A、photogrAph woulD mAkE thE ExhiBit AppEAr muCh smAllEr.