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When meteors enter the Earth's atmosphere they experience friction due to collisions with the atmosphere; by the time they reach 50 to 75 mi (80-120 km) from the earth's surface, they have been heated to incandescence through friction and are visible as "shooting stars," or "falling stars." ...

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14y ago
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14y ago

Space rock gets sucked in by Earth's gravity and gets pulled downwards. This happens at such a fast rate that the rock heats up and essentially on fire. The "tail" of the shooting star you see is the heat given off as it travels downwards. That's why when the shooting star reaches the ground, it is usually nothing but a small piece of rock!

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7y ago

A shooting star is a meteor that is burning up on entering the earth's atmosphere. We don't notice any during daylight, but need the darkness of night. Apart from meteorites that range from very large lumps of rock to little more than a grain of sand, debris off space crafts also re-enter the atmosphere and burn up (hopefully) with a streak of light in the night sky.

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5y ago

The correct term for a shooting star is "meteor". They are made by small grains of cosmic dust left over from the formation of the solar system when they enter Earth's atmosphere. They are bright like a star but move fast across the sky burning up as a streak if light. This is why they are called "shooting stars". They are also called "falling stars".

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Most "shooting stars" are sand sized grains of material shed by comets in their orbits. The fact that they are concentrated within the orbital path of the comet that produced them is the reason they are concentrated into meteor showers at the time of the year when the earth passes through the orbital path of that comet. These "shooting stars" burn up completely very high in the atmosphere.

The name "shooting star" comes from the fact that they look very much like the real (but "fixed") stars observed in the sky, but move very rapidly across the sky before vanishing (actually the earth's atmosphere is moving past these sand sized grains of material shed by comets).

A smaller number of "shooting stars" are larger sized objects having a variety of different origins (e.g. asteroids, comet fragments, artificial satellites falling out of orbit, space garbage left over from rocket launches) and some of these can even make it to the earth's surface.

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9y ago

Shooting stars are actually asteroids that pass through the edge of our atmosphere.

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9y ago

They are meteors, small rocks that enter the earths atmosphere and burn up by friction.

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10y ago

Actually it isn't.

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Q: Why do we only see shooting stars sometimes?
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