When Pluto was cast out from the list of Planets?

Everyday Science Mcqs 21/03/2024

A. September 24, 2006
B. April 28, 2004
C. January 26, 2006
D. August 24, 2006

The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one- it “has not cleared its neighboring region of other objects.”

In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet.”

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