Did the planet Pluto blow up?


Quick Answer

Pluto did not blow up. This myth is one of several that have emerged since the International Astronomical Union designated Pluto as a dwarf planet under new labeling guidelines. Schools have adapted by teaching students that the solar system has just eight planets instead of the previously taught nine.

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Full Answer

The 2006 change resulted in Pluto being too small to meet the criteria for a planet. Prior to 2006, any large celestial body that orbited the sun was considered a planet. Though Pluto still meets this standard, it also carries small elements called planetesimals during its orbit. The eight remaining planets in the solar system do not.

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