RegularJoe@lemmy.world to science@lemmy.worldEnglish · 9 months 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-square32fedilinkarrow-up177arrow-down17
arrow-up170arrow-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 · 9 months agomessage-square32fedilink
minus-squareSundray@lemmus.orglinkfedilinkEnglisharrow-up11·9 months agoPlanet Y Are You So Hard to Find?
Planet Y Are You So Hard to Find?