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Unfortunately, we still don't really know what gravity is. There are many theories out there regarding gravity - however the general consensus is that we haven't yet got to the bottom of it and figured it out. There are two main generally-preferred (as of 2020) theories: Gravity is a bending of spacetime, caused by the presence of Mass. We have seen ...


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Hitting the Sun on purpose is very hard; doing it by accident is almost impossible. The Earth has an orbital speed of about 30km/s. If you slow down below orbital speed, the Sun's gravity will pull you inward. However, that also causes you to speed up, which means you'll shoot around the Sun and enter an elliptical orbit, where you will remain until you ...


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