Lee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 1 day agoConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgexternal-linkmessage-square16fedilinkarrow-up188
arrow-up188external-linkConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgLee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 1 day agomessage-square16fedilink
minus-squarePennomi@lemmy.worldlinkfedilinkEnglisharrow-up5·1 day ago These planets are in remarkably close quarters, with periods of just 2.34, 3.15, 4.12, and 6.74 days. Speedy little guys
minus-squarevery_well_lost@lemmy.worldlinkfedilinkEnglisharrow-up6·1 day agoThe furthest of the four is estimated to have an orbital radius of about 0.03 AU. That’s 1/10th the size of Mercury’s orbit around the sun!
minus-squarekeepthepace@slrpnk.netlinkfedilinkarrow-up1·1 day ago850°C apparent temperature 830°C. Stay hydrated.
minus-squarekeepthepace@slrpnk.netlinkfedilinkarrow-up3·1 day ago“Hot planets are waiting for you in the star’s neighborhood!”
Speedy little guys
The furthest of the four is estimated to have an orbital radius of about 0.03 AU. That’s 1/10th the size of Mercury’s orbit around the sun!
That’s a fuel scooping range.
Warning, temperature critical.
At least it’s a dry heat.
850°C apparent temperature 830°C. Stay hydrated.
“Hot planets are waiting for you in the star’s neighborhood!”