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NASA's Meteoroid Environment Office
studies meteors caused by particles of

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all different size ranges. So, we have All-Sky cameras that study, they look at

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meteors caused by centimeter-sized
particles. We have Wide Field Cameras that

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look at meteors caused by millimeter
sized particles and we have a radar that

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sees meteors, or detects meteors caused
by particles that are micron size and

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the reason that we study

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meteors in these size ranges are because it is
those sized particles that provide the