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635 times the speed of light is about 4,500,000 times as as a Meteor.
In other words, the of a Meteor is 0.00000022 times that amount.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
Small meteoroids enter the Earth's atmosphere at speeds between 0.000037 times the speed of light and 0.00024 times the speed of light, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 0.0000093 times the speed of light.
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