Fact File
Distance from the Sun: 1.00 AU
Sidereal revolution period (about Sun): 365.26 days
Mass (Earth=1): 1.0
Radius at equator (Earth=1): 1.0
Sidereal rotation period (at equator): 23.9 hours
Moons: 1

Tidbits: Well, we all know Earth pretty well. It's most unique feature is that over 70% of its surface is covered by water.