Science Memes

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submitted 5 days ago by [email protected] to c/[email protected]

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[–] [email protected] 15 points 5 days ago (1 children)

So, yeah, bottom line: you only need a delta-V of about 12 km/s to get out of the solar system, but a delta-V of 30 km/s to get to the sun without going into orbit.

This is true, but the possibility of gravity assists mostly nullifies the difference. If you can get out to Jupiter you can basically choose: either let it sling you out of the system, or let it cancel out all your orbital velocity so you fall into the sun.

[–] [email protected] 3 points 5 days ago (1 children)

I feel like that might be difficult to do without just falling into Jupiter, but I am no rocket scientist.

[–] [email protected] 1 points 4 days ago

They would still be destroyed in a hot crucial, so it still works.