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Chunks of rock and debris in space are called meteoroids. They become meteors when they fall through the atmosphere. Most meteors don't even make it to the ground because they are burned when they go though the atmosphere. Scientists estimate that 1,000 tons to more than 10,000 tons of meteoritic material falls on the Earth each day. However, most of this material is very tiny; in the form of micrometeors or dust like grains a few micrometers in size. These particles are so, so small that the air resistance is just enough to slow them so that they do not burn up, but fall lightly to Earth.

The speed and physical properties of a meteor.

The speed of a meteor when it enters the upper atmosphere is based on two motions. When the meteoroid in its orbit and that of the Earth in its path around the Sun. Also, the Earth's gravitational pull on the meteoroid increases its velocity. Observations have shown that meteoroids penetrate the atmosphere at velocities ranging from 11 to 72 km per second.Most meteoritic samples are either iron stony, which are predominately rocky-silicates; or stony-iron.

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1,2,3 make a wish

A shooting stars is really a meteor that leaves a bright trail as it is heated and incandescence by the friction of the atmosphere.

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Meteor shower

A meteor shower is when a great amount of meteors simultaneously come flying at the earth.

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The Russian Meteor

Meteorite crash in Russia: Video of meteor explosion that stirred panic in Urals region