Lee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 5 days agoConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgexternal-linkmessage-square17fedilinkarrow-up199arrow-down10
arrow-up199arrow-down1external-linkConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgLee Duna@lemmy.nz to Astronomy@mander.xyzEnglish · 5 days agomessage-square17fedilink
minus-squarePennomi@lemmy.worldlinkfedilinkEnglisharrow-up7·5 days 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-up8·5 days 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-up1·5 days ago850°C apparent temperature 830°C. Stay hydrated.
minus-squarekeepthepace@slrpnk.netlinkfedilinkarrow-up3·5 days 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!”