floofloof@lemmy.ca to Space@lemmy.worldEnglish · 1 day agoBlack Hole The Size of 36 Billion Suns Could Lie at The Heart of Cosmic Horseshoewww.sciencealert.comexternal-linkmessage-square12fedilinkarrow-up13arrow-down10
arrow-up13arrow-down1external-linkBlack Hole The Size of 36 Billion Suns Could Lie at The Heart of Cosmic Horseshoewww.sciencealert.comfloofloof@lemmy.ca to Space@lemmy.worldEnglish · 1 day agomessage-square12fedilink
minus-squareIsa@feddit.orglinkfedilinkarrow-up0·1 day agoHow large would the event horizon of such a black hole be?
minus-squarefloofloof@lemmy.caOPlinkfedilinkEnglisharrow-up1·edit-21 day agoI just hopped on this calculator and it says about 710.9 AU, or 106,348,555,982 km (66,081,929,023 miles). So pretty big.
minus-squareGradually_Adjusting@lemmy.worldlinkfedilinkEnglisharrow-up2·1 day agoOh my word. 30 AU is roughly the distance to Neptune, so this black hole is almost 24x the diameter of our solar system. Pretty big, yeah.
minus-squarethreelonmusketeers@sh.itjust.workslinkfedilinkEnglisharrow-up0·edit-219 hours agoWhat’s the distance to Proxima Centauri? Edit: It’s 268553 AU.
minus-squareGradually_Adjusting@lemmy.worldlinkfedilinkEnglisharrow-up1·20 hours agoIs this what we do now that Google sucks, just ask each other what Wikipedia says? It’s uh, 4.2465 ± 0.0003 light years by the way.
How large would the event horizon of such a black hole be?
I just hopped on this calculator and it says about 710.9 AU, or 106,348,555,982 km (66,081,929,023 miles). So pretty big.
Oh my word. 30 AU is roughly the distance to Neptune, so this black hole is almost 24x the diameter of our solar system.
Pretty big, yeah.
What’s the distance to Proxima Centauri?
Edit: It’s 268553 AU.
Is this what we do now that Google sucks, just ask each other what Wikipedia says?
It’s uh, 4.2465 ± 0.0003 light years by the way.