sin_free_for_00_days comments on If it works it works

If it works it works (europe.pub)

submitted 11 months ago by Stamets@lemmy.dbzer0.com to c/science_memes@mander.xyz

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[–] sin_free_for_00_days@sopuli.xyz 4 points 11 months ago (2 children)

I once asked a question on here about forces involved in a gravity assist and had someone reply that it's only something in movies, it doesn't really exist.

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[–] sparkee@lemmy.world 10 points 11 months ago

It is real and NASA does use it.

https://science.nasa.gov/learn/basics-of-space-flight/primer/

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[–] Rakonat@lemmy.world 7 points 11 months ago

To that person. Huh? Nearly every interplanetary launch has been using a gravity assist to save fuel despite such journeys taking much longer

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