originalucifer@moist.catsweat.com to No Stupid Questions@lemmy.world · 4 months agowhat would happen if a rogue, earth-size planet ran straight into the sun? anything interesting?message-squaremessage-square52fedilinkarrow-up1180file-text
arrow-up1180message-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 · 4 months agomessage-square52fedilinkfile-text
minus-squaredeegeese@sopuli.xyzlinkfedilinkarrow-up27·4 months agoSorry, but that’s wrong. Roche limit applies in a circular orbit, tidal effects are irrelevant in a head on collision.
minus-squarewillowlinkfedilinkEnglisharrow-up28·4 months 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-up17·4 months 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.