Mars
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.