NASA embarrassment: Agency chief calls for major U-turn on Pluto as planet debate rages

Express.co.uk | 11/7/2019 | Staff
mel4mel4 (Posted by) Level 4
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The change was made initially as Pluto failed to meet all the International Astronomical Union, a global group of astronomy experts, properties for planet classification.

Their established definition of a planet requires it to 'clear' its orbit, or in other words, be the largest gravitational force in its orbit.

Pluto - Gravity - Neptune - Fact - Pluto

Since Pluto’s gravity is affected by Neptune and the fact Pluto and shares its orbit...
(Excerpt) Read more at: Express.co.uk
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