3 ms·
In space, if two small dust particles collide, they are probably moving at very high speed in relation to each other, and there's obviously no air to affect the
by kbelder 3y ago
In space, if two small dust particles collide, they are probably moving at very high speed in relation to each other, and there's obviously no air to affect the impact. I don't know what that means, but I expect our intuition about how substances accrete is probably way out of whack.