originalucifer@moist.catsweat.com to No Stupid Questions@lemmy.world · 1 month agowhat would happen if a rogue, earth-size planet ran straight into the sun? anything interesting?message-squaremessage-square74fedilinkarrow-up1189arrow-down11file-text
arrow-up1188arrow-down1message-squarewhat would happen if a rogue, earth-size planet ran straight into the sun? anything interesting?originalucifer@moist.catsweat.com to No Stupid Questions@lemmy.world · 1 month agomessage-square74fedilinkfile-text
minus-squaredeegeese@sopuli.xyzlinkfedilinkarrow-up30arrow-down2·1 month agoSorry, but that’s wrong. Roche limit applies in a circular orbit, tidal effects are irrelevant in a head on collision.
minus-squarewillow@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up31arrow-down2·1 month agoFamous example of a comet breaking up from entering Jupiter’s roche limit in a highly eccentric orbit (not circular). Spaghettification is also an example of how tidal forces still apply during a head on collision.
minus-squaredeegeese@sopuli.xyzlinkfedilinkarrow-up19arrow-down1·1 month agoEccentric orbit is still an orbit with tidal forces. A dead in crash will stretch the sphere, but without angular momentum, it’s just a raindrop.
Sorry, but that’s wrong.
Roche limit applies in a circular orbit, tidal effects are irrelevant in a head on collision.
Famous example of a comet breaking up from entering Jupiter’s roche limit in a highly eccentric orbit (not circular). Spaghettification is also an example of how tidal forces still apply during a head on collision.
Eccentric orbit is still an orbit with tidal forces.
A dead in crash will stretch the sphere, but without angular momentum, it’s just a raindrop.