Anchorxiety@reddthat.com to No Stupid Questions@lemmy.world · 28 days agoIf something could rotate infinitely after being initially pushed, would the initial push disqualify it from being classed as perpetual motion?message-squaremessage-square19linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1message-squareIf something could rotate infinitely after being initially pushed, would the initial push disqualify it from being classed as perpetual motion?Anchorxiety@reddthat.com to No Stupid Questions@lemmy.world · 28 days agomessage-square19linkfedilink
minus-squarenomad@infosec.publinkfedilinkarrow-up0·23 days agoDoes a given mass ever get outside the influence of both galaxy’s gravity influences?
minus-squarebufalo1973@piefed.sociallinkfedilinkEnglisharrow-up0·22 days agoWhy not? When two galaxies collide some rocks can get enough speed to escape.
minus-squarenomad@infosec.publinkfedilinkarrow-up0·22 days agoAFAIK galaxies don’t collide, they merge. There is usually no collision due to the massive empty spaces inbetween stars.
Does a given mass ever get outside the influence of both galaxy’s gravity influences?
Why not? When two galaxies collide some rocks can get enough speed to escape.
AFAIK galaxies don’t collide, they merge. There is usually no collision due to the massive empty spaces inbetween stars.