Lee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 8 hours agoConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgexternal-linkmessage-square16fedilinkarrow-up174arrow-down10
arrow-up174arrow-down1external-linkConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgLee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 8 hours agomessage-square16fedilink
minus-squarePennomi@lemmy.worldlinkfedilinkEnglisharrow-up7·8 hours 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-up8·7 hours 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-up2·2 hours ago“Hot planets are waiting for you in the star’s neighborhood!”
minus-squarekeepthepace@slrpnk.netlinkfedilinkarrow-up1·1 hour ago850°C apparent temperature 830°C. Stay hydrated.
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!
“Hot planets are waiting for you in the star’s neighborhood!”
That’s a fuel scooping range.
Warning, temperature critical.
At least it’s a dry heat.
850°C apparent temperature 830°C. Stay hydrated.