And do any other particles escape? And how?
In: Chemistry
You can’t “escape” gravity as gravity has no limit to its range. Its effect simply gets weaker the further away from the source you get. You can move against the (net) pull of gravity by simply applying a force in the direction you want to go. You can try this right now: jump. You just (temporarily) moved against gravity.
Photons, having no mass, are not directly pulled on by gravity but are indirectly affected by it as gravity warps space. But photons move at fast enough speeds that this warping is not sufficient to halt their advance, until you get to things like black holes.
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