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For questions about rock particles or large rocky bodies in space, typically in orbit around a star. Contrast with "meteors", space rocks falling to planetary surfaces. Whereas asteroids are objects to be encountered during space travel, meteors are a space weather phenomenon observed on planets.

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How to explain Earth-like gravity in small asteroids?

Asteroids are not solid chunks of rock generally; they tend to be very loosely held together piles of rubble with virtually no gravity. … The thing about most asteroids (non-monolithic ones) is that there's a lot of empty space between the chunks and rocks that make them up, because there's so little gravitational force holding any of it …
Ianu Gor's user avatar