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This is such a cool fact (lemmy.world)

submitted 2 months ago* (last edited 2 months ago) by The_Picard_Maneuver@lemmy.world to c/whitepeopletwitter@sh.itjust.works

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[–] psud@aussie.zone 1 points 2 months ago* (last edited 2 months ago)

It's pretty easy to draw a line at orbit at any altitude. If you are staying aloft by moving fast enough that a straight line in the planet's gravity well forms a closed ellipse, or faster, that excludes jumping (and every other sorry of suborbital movement), flying, floating (on water or in air; nothing we have made our can imagine can float on air)

Orbit is different to everything not orbital in a more significant way than other modes are different to each other

I think you can even word your way around how flying is on Earth, in that you're supported by the gaseous part of Earth, just like a boat is supported by the wet part of Earth

You cannot get out of Earth's gravity. Gravity stretches out to the edge of the observable universe though it gets pretty weak outside the solar system