WEB EXCLUSIVE

They Came From Outer Space

Cosmic rays are charged pieces of atoms that are mostly intergalactic drifters. When these particles strike the earth's atmosphere, they produce a cascade of subatomic particles and detectable emissions of UV radiation. Each impact produces new products that follow their own unique path toward our planet's surface. By analyzing particle paths, the initial impact path from which the daughter particles first arose can be calculated.

By Michael DiSpezio|Monday, September 01, 2003
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