Milky Way is the name of our galaxy. The Sun along with the eight planets constitute our Solar System. Important members of the Solar System are the Sun, the planets and their satellites and other celestial bodies such as stars, asteroids, comets and meteorites.
Our Solar System has eight planets — Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pluto was earlier considered a planet but has now been stripped of its planethood.
Differences between Stars and Planets
| Stars | Planets |
|---|---|
| Stars are large balls of hot burning gases. They have their own light. | Planets are mainly composed of rocks. They do not have the light of their own. They reflect the light of the stars. |
| The stars are very far away from us. | The planets are comparatively nearer to us. |
| Stars form large clusters called galaxies. There are millions of stars in these galaxies. | Planets do not form any galaxy, and there are only eight planets in our galaxy. |
| The movement of stars is very slow. | All planets revolve around the Sun in a fixed path called an orbit. |
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