2006 Pluto is downgraded to a dwarf planet when the International Astronomical Union (IAU) redefines "planet."
Showing posts with label THOMAS EDISON. Show all posts
Showing posts with label THOMAS EDISON. Show all posts
Monday, 24 August 2015
TODAY IN HISTORY 24TH AUGUST 2015
2006 Pluto is downgraded to a dwarf planet when the International Astronomical Union (IAU) redefines "planet."
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