The 3rd planet from the sun
One of the four rocky inner planets
Large amounts of water
Large amounts of oxygen
Supports life
The surface is always changing
The atmosphere blocks out most of the sun's harmful rays
FACTS ABOUT EARTH
Science SOL 4.7
Understanding Earth
NASA Earth Observatory
NASA and EARTH
See the picture of the day from our beautiful blue planet
Learn more about Earth from the National Aeronautics and Space Administration