RegularJoe@lemmy.world to science@lemmy.worldEnglish · 8 days ago'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'www.livescience.comexternal-linkmessage-square32linkfedilinkarrow-up177arrow-down18
arrow-up169arrow-down1external-link'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'www.livescience.comRegularJoe@lemmy.world to science@lemmy.worldEnglish · 8 days agomessage-square32linkfedilink
minus-squareAkt0@reddthat.comlinkfedilinkEnglisharrow-up14·8 days agoIt seems as though Planet Y is an alternate theory to Planet X, which are both hypothetical 9th planets. The headline makes it sound like they theorize 10 planets already.
It seems as though Planet Y is an alternate theory to Planet X, which are both hypothetical 9th planets. The headline makes it sound like they theorize 10 planets already.