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Questions regarding an object 'falling around' another object, due to a combination of gravity and momentum.
5
votes
Moon's orbit around the Sun
Wow, they orbit each other! And neither of the paths is concave, like on the second picture, nor are there any backward-going loops like that on the first picture. … Earth orbit around the Sun is ~400 times larger than that of the Moon around the Earth, as is a standard 2-lane track width of 4m is 1/400 of the 1.6 km radius of our supertrack. …