originalucifertoNo Stupid Questions@lemmy.world·2 months agowhat would happen if a rogue, earth-size planet ran straight into the sun? anything interesting?message-squarearrow-up1189arrow-down11message-square72file-textfedilink
arrow-up1188arrow-down1message-squarewhat would happen if a rogue, earth-size planet ran straight into the sun? anything interesting?originalucifertoNo Stupid Questions@lemmy.world·2 months agomessage-square72file-textfedilink
minus-squaredeegeesearrow-up30arrow-down2·2 months agolinkfedilinkSorry, but that’s wrong. Roche limit applies in a circular orbit, tidal effects are irrelevant in a head on collision.
minus-squarewillowEnglisharrow-up31arrow-down2·2 months agolinkfedilinkFamous 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-squaredeegeesearrow-up19arrow-down1·2 months agolinkfedilinkEccentric 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.