Earth
Earth is the 3rd planet from the sun. Earth is the only planet in the solar system known to contain multicellular organisms (living things made up of more than one cell). Earth is named after Gaea, the Earth mother and "the mother of mankind". Earth has a protective atmosphere comprised of 77% Nitrogen, 21% Oxygen and 1% miscellaneous gases. More than 70% of the Earth's surface is covered in water. The eart is 7600 miles in diameter and has 1 moon.
Back to Astronomy Class
The Shrieking Shack //
Snape's Dungeon //
The Gallery //
Official Illustrations //
The Library
The Library Annex //
The Theatre //
What's New
The Floo //
The Kitchen //
The Marauder's Map