by SIncere Gravely

Mars Missions

Mars Observer launched September 25 1992

PathfInder launched December 4 1996

MAVEN launched November 18 2013

Journey to Mars. N.d. N.p.

All About Mars

Mars is a terrestrial planet with no rings. The length of a year is 687 Earth days and the length of a day is 24 hours and 37 minutes. Mars has a total of two moons.

Mars Earth Comparison. N.d. N.p.

Distinguishing Facts

Surface gravity is about 38% that of Earth.

Seasons are roughly twice as long as Earth's.

Volume is about 15.1% that of Earth mass is about 11% that of Earth.

Atmosphere & Temperature

Mars atmosphere is made of mostly carbon dioxide and some water vapor. Average temperature range of the surface -284 degrees Fahrenheit to 86 degrees Fahrenheit. Average temperature of the atmosphere -81 degrees Fahrenheit.

Mars Atmosphere. N.d. N.p.

Mythology of Mars

In roman mythology mars was the god of war known as Ares. The ancients saw mars as a bloody start that had ill portents associated with death and or war because of its color; red.