Question

why is the earth called planet?
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Answer 1

Answer:

before many. years there was nothing but only plant

than all gods joined and give tree , plant, air,water and small animals

Explanation:

we should not forget that it is planet

Answer 2

Answer:

Explanation:

Tycho Brahe and Johannes Kepler, it was eventually accepted that the Sun did not orbit the Earth, but the other way around: the Sun was in the center, and Earth and the planets orbited the Sun. This solved the problem that the planets seemed to go backwards at times. If the Earth and the planets orbited the Sun, it only appears as if they go backwards when viewed from the Earth. But that meant that the Earth was also a planet, and the count was up to six.

Fast forward a bit more, and we had discovered three more planets, Uranus, Neptune and Pluto, and the count was up to nine. We had also found Ceres, but it was a thing in the asteroid belt so it didn’t count.

Then we got a problem: we also discovered Eris, Sedna, Quaoar, Haumea, Makemake and a lot of other small planets, that behaved as silly as Pluto did. They were up to 15 planets and counting, and it became a bit cumbersome.

So the International Astronomical Union had a conference, and in 2006, they came up with the definition above. That demoted Eris, Sedna, Quaoar, Haumea, Makemake, Ceres and – to the dismay of a lot of fans – Pluto into a new category, dwarf planets, that only satisfied the first two criteria.