29.5.20
WALT: take note's quickly
in 1930 Clyde Tombough found Pluto then in 2006 the IAU changed the meaning of a planet.
1. A planet had to be round
2.It had to orbit the sun
but Pluto didn't
3.It also had to clear its orbit.
So Pluto is not classified as a planet now it is a dwarf planet.
cool fact
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