this post was submitted on 18 Sep 2025
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Science Memes

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[–] Matriks404@lemmy.world 4 points 1 month ago* (last edited 1 month ago) (3 children)

What if a planet that is Earth-sized falls down on Earth from let's say 5-10 meters though?

[–] hansolo@lemmy.today 7 points 1 month ago (1 children)
[–] GandalftheBlack@feddit.org 2 points 1 month ago

Do not pass go. Do not collect ~~M~~200

[–] mEEGal@lemmy.world 5 points 1 month ago

A thing that size would have initial velocity to begin with,

But acceleration does not depend on mass, (which is kinda weird from an earthling's perspective), which Einstein formalized in an amazingly powerful theory called General Relativity

[–] glorkon@lemmy.world 4 points 1 month ago

It would fall at 2g, because two Earth-sized masses attract each other in that case. With smaller objects it's just 1g, because the mass of, let's say, a nice cup of tea is negligible compared to the mass of Earth.