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+--- Thread: Asteroid with a tail (/thread-272.html)
Asteroid with a tail - C C - Nov 14, 2014
Astronomers Discover New Active Asteroid's Tail that Gives it a Comet-Like Appearance
http://www.scienceworldreport.com/articles/18798/20141112/astronomers-discover-new-active-asteroids-tail-gives-comet-appearance.htm
EXCERPT: [...] For 15 years, researchers thought the asteroid 642112 was simply a typical asteroid. It's only by investigating a bit deeper that scientists realized it was active. Now, researchers are looking at what causes asteroids to become active and what the tails are made up of....