In particular, the light phenomenon which results from the entry into the Earth's atmosphere of a solid particle from space; more generally, as a noun or an adjective, any physical object or phenomenon associated with such an event.

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After what speed air friction starts to heat up an object?

I understand that air friction cools off an object at low speeds. For example, if you blow on a spoon of hot soup, it cools off. Or if you swing a hot frying pan in the air, it cools off faster. But ...
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Why do meteors explode?

A report on the Chelyabinsk meteor event earlier this year states Russian meteor blast injures at least 1,000 people, authorities say My question is Why do meteors explode? Do all meteors ...
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How do the terms comet, asteroid, meteoroid, meteor and meteorite differ?

These terms are frequently used interchangeably by the uninitiated to mean approximately “space rock”. In practical terms, how do their meanings differ?