Lee Duna to [email protected]English • 8 hours agoConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgexternal-linkmessage-square16fedilinkarrow-up172arrow-down10
arrow-up172arrow-down1external-linkConfirmed at Last: Barnard's Star Hosts Four Tiny Planetsaasnova.orgLee Duna to [email protected]English • 8 hours agomessage-square16fedilink
minus-squarePennomilinkEnglish6•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-square@very_well_lostlinkEnglish7•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-square@[email protected]linkfedilink2•2 hours ago“Hot planets are waiting for you in the star’s neighborhood!”
minus-square@[email protected]linkfedilink1•2 hours 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.