Zodiacal dust

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Zodiacal dust forms a pancake shaped cloud in the Solar System collectively known as the zodiacal cloud. It occupies the same plane as the orbit of the planets from which it derives the name zodiac. The dust particles, are between 1 to 300 micrometres in diameter. They originate from the tails of comets and from collisions between asteroids. It was discovered by German astronomer Walter Grotrian in 1934.

[edit] See also

[edit] References

  • "1934." History of Science and Technology. Houghton Mifflin Company, 2004. Answers.com 12 Sep. 2006. [1]


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