There are millions of giant rocks hurtling around the the solar system. Some of them stay in the cosmos and others penetrate the Earth’s atmosphere. So how do you tell the difference between different types of space rocks?
As of 2006, there are three criteria a celestial body has to meet to be considered a planet. Pluto meets two of them. So what was the real reason Pluto got demoted? And will the planet ever get redemption?
Coronal mass ejections are massive explosions on the sun’s surface that shoot blazing hot plasma into the solar system. So what would happen if one of these explosions were aimed at Earth?