GSC Update:

*Earth weighs about 6,000,000,000,000,000,000,000,000 Kg
has a diameter of 7,926 miles
is 93 million miles from the sun (this distance is known as an Astronomical Unit, or AU)
average surface temperature is 47.3 F

*Mars weighs 10.7 percent more than Earth
has a diameter of 4,222 miles
is 1.381 AU to 1.666 AU from the sun (elliptical orbit)
average surface temperature is -67 F