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NASA: Colliding Comets Hint at Unseen Exoplanet


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Published on Mar 6, 2014

Music: “Halos” by Lars Leonhard, courtesy of the artist and Ultimae Records.

An international team of astronomers exploring the disk of gas and dust the bright star Beta Pictoris have uncovered a compact cloud of poisonous gas formed by ongoing rapid-fire collisions among a swarm of icy, comet-like bodies. The researchers suggest the comet swarm may be frozen debris trapped and concentrated by the gravity of an as-yet-unseen planet.

 

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