Pluto Could Be Made A Planet Again, Along With 102 Other Celestial Bodies

  • 6年前
This proposed new definition of planets would bring back Pluto, but would also reclassify over a hundred other celestial bodies -- including our moon!\r
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Behind the Push to Get Pluto Its Planetary Groove Back\r
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Plutos loss of planetary status in 2006 remains controversial. Now a new definition is being proposed that would restore Pluto while increasing the number of planets in our solar system to over 110.\r
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NASA Scientists Have Proposed a New Definition of Planets, and Pluto Could Soon Be Back\r
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The key change the team is hoping to get approved is that cosmic bodies in our Solar System no longer need to be orbiting the Sun to be considered planets - they say we should be looking at their intrinsic physical properties, not their interions with stars.\r
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Should Pluto Be a Planet After All? Experts Weigh In\r
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Pluto was demoted to a newly created category, dwarf planet, in 2006, partly because of the discovery a year earlier of Eris, another icy body from Plutos neighborhood. Eris was thought to be bigger than Pluto until Nov. 6, when astronomers got a chance to recalculate Eris size.\r
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