Answer:
Earth
Explanation:
Earth, our home, is the third planet from the sun. It's the only planet known to have an atmosphere containing free oxygen, oceans of water on its surface and, of course, life. Earth is the fifth largest of the planets in the solar system. ... About a fifth of Earth's atmosphere consists of oxygen, produced by plants.
What Is Earth? | NASA
It looks like a soup ladel. The reason why it is called big is to distinguish it from the more small one. Its real name is ursa major.
Simple, we weren't around during that time, so we made theories and conclusions to when life evolved on earth.
