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Unformatted text preview:  although Sedna's diameter was revised downward to less than 1600 km by 2007.  Just as Ceres , Pallas , Juno and Vesta eventually lost their planet status after the discovery of many other asteroids , so, it was argued, Pluto should be reclassified as one of the Kuiper belt objects. On July 29, 2005, the discovery of a new Trans-Neptunian object was announced. Named Eris , it is now known to be approximately the same size as Pluto.  This was the largest object discovered in the Solar System since Triton in 1846. Its discoverers and the press initially called it the tenth planet , although there was no official consensus at the time on whether to call it a planet.  Others in the astronomical community considered the discovery the strongest argument for reclassifying Pluto as a minor p...
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.
- Fall '10