28 janv. 2000 - Mars

Description:

Mars is the fourth planet closest to the sun. The mass in mars is 6.4169 x 1023 kg. Mars has only two moons called Deimos and Phobos. NASA think mars was just like earth with life an water a few million years ago but something destroyed Mars. The temperature in mars can go up to -65o Celsius (-85o Fahrenheit) and Earth's average temperature is 15o Celsius (59o Fahrenheit)., It takes Mars about 24 hours 37 minutes to make a complete rotation. However, Mars takes 687 days to make a complete revolution around the sun.