This story fifa coins originally appeared on

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This story fifa coins originally appeared on: ars technica Image:Vectorportal Earth Observatory Flickr By diligently watching the skies, five amateur http://www.goldstarkr.com/ astronomers havebeen awarded a total of for discovering newcomets as part of the Edgar Wilson Award.

Comets are frozen balls of ice and dust left over from the solarsystem's earliest days. They remain most of their lives in the farouter reaches beyond Pluto, usually venturing close to the sun onlyevery few hundred years. As they approach the sun, comets melt alittle, letting loose a tail of debris that gets swept behind themby the solar wind and increasing their brightness significantly.Hundreds of years ago, before astronomers knew exactly what cometswere, the discovery of a new one was heralded as a great event,with the discoverer often becoming famous andbeingsubsequentlysupported by a rich patron, usually aking.