Planet

Planet is a large ball of rocks and gas, that is orbithing star.
== Types ==
=== Rocky ===
Planets, consisting of different rocks and metals.
=== Terra ===
Planets, consisting of rocks, metals and water. Our Earth is terra-type planet
=== Gas Giants ===
Giant planets (90,000 - 300,000 km) consisting mostly of hydrogen, methane and other gases.
==== Ice Giants ====
Ice giants are Gas giants with extremely low temperature.
== Examples ==
Mercury, Venus, Earth , Mars, Jupiter, Saturn, Uranus, Neptune