Question

1. Up to 2006 there were nine Planets in our Solar system, but now we have only eight Planets. What was the 9 planet? What happened to it? Find out the reasons with the help of your teacher od the status of Pluto to that​

Answer 1

Answer:

Pluto was the ninth planet it was removed from the solar system because its orbital is very big and it takes a lot more time than Uranus to cover it's one revolution

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Answer 2

Answer:

Pluto was the 9th planet.

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.”