SUMMARY: Astronomers with the Harvard Smithsonian Center for Astrophysics have discovered a pair of brown dwarfs circling one another, which should help answer some key questions about these objects. Are they large planets, failed stars, or something else entirely? One theory is that brown dwarfs form in clouds of interstellar gas, but they get ejected before becoming full stars. This pair of brown dwarfs, however, circle one another at 6 times the distance of the Sun and Pluto - their gravitational hold on one another is very tenuous. It's more likely they formed in a calm environment like regular stars.
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