gravitationally造句
Galaxiescanalsohavemodestlocalmotionsastheymillaroundandgravitationallypullononeanother—astheMilkyWayandAndromedaaredoing.Alargecloudofgasanddustbeginstocongealgravitationally,startsrotating,andevent...
Galaxiescanalsohavemodestlocalmotionsastheymillaroundandgravitationallypullononeanother—astheMilkyWayandAndromedaaredoing.Alargecloudofgasanddustbeginstocongealgravitationally,startsrotating,andevent...