The Earth
Mean distance from Sun:
1 Astronomical Unit
150,000,000 km
Diameter:
12,760 km
Mass:
6.0 x 10e27th grams
Density:
5.5 grams per cubic centimeter
Surface temperature:
-60 to 120 F
earth.gif
(above) courtesy
EZCosmos
.
earth1.jpg
as seen by Apollo 17.
earth2.gif
.
earth3.jpg
as seen by Apollo 17.