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Contents contributed and discussions participated by Karim Houssni

Karim Houssni

Stars, Stars Information, Facts, News, Photos -- National Geographic - 0 views

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    Stars are cosmic energy engines that produce heat, light, ultraviolet rays, x-rays, and other forms of radiation. They are composed largely of gas and plasma, a superheated state of matter composed of subatomic particles. Though the most familiar star, our own sun, stands alone, about three of every four stars exist as part of a binary system containing two mutually orbiting stars.
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