Two of the Oldest Brown Dwarfs in the Galaxy Reveal Hidden Population of Objects

November 21, 2013 7:35 PM

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A team of astronomers have discovered two of the oldest brown dwarfs in the galaxy. Moving at speeds of up to 100 to 200 kilometers per second, these star-like objects are thought to have formed more than 10 billion years ago. Now, astronomers believe that these brown dwarfs may just be two of a vast population of previously unseen objects.

Brown dwarfs are much less massive than actual stars, and they don't generate internal heat through nuclear fusion. Because of this, brown dwarfs cool and fade with time. The latest discoveries actually have temperatures that are just 250 to 600 degrees Celsius, which is practically frigid when comp...

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