Why is space a vacuum ?
In: Planetary Science
There’s a lot more, well space, than there is matter to fill it at this current point in time as the universe continues to expand.
Aiding this is gravity. Matter naturally congregates where there is a lot of it, and as more matter compresses, the greater its pull becomes, causing much of the solids, liquids, and gasses of the universe to clump up rather than existing as a uniform cloud or haze forever. What remains in between is a vacuum in between where gases and liquids easily disperse into once the pressure is released. Over time some of those particles that get released into the vacuum of space may eventually get caught in the gravity of a planet or star once again
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