this post was submitted on 02 Dec 2024
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Science Memes

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submitted 3 weeks ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 3 weeks ago (1 children)

94000mph is relative to the sun's surface. Relative to the Earth's surface, it is around 37000mph, which means they were still wrong.

[–] [email protected] 1 points 2 weeks ago (1 children)

Not according to Wikipedia. At Earth relative to Sun is 42.1 km/s = 94,175 mph. From the sun's surface is 617.5 km/s = 1.38 x 10e6 mph.

Source: https://en.m.wikipedia.org/wiki/Escape_velocity

[–] [email protected] 1 points 2 weeks ago* (last edited 2 weeks ago)

42.1 km/s is the speed required relative to the sun's surface for objects launching from Earth's surface. You need to look at the value labelled V_te, which is the speed relative to the minor body the object is launching from. In this case, it is 16.6 km/s.