01. Mars is the most studied planet.
02. Mars has 24 hours in a day but 687 days in a year.
03. It takes approximately 16 months to travel from Earth to Mars and back.
04. Mars drew itself nearest to Earth on August 27, 2003.
05. Mars’ atmosphere is made up of 95% carbon dioxide.
06. Mars has 4 seasons like Earth. This is caused by the tilt of the planet's axis, at a similar angle to the tilt of Earth's axis.
07. Mars and Earth have approximately the same landmass.
08. The Sun appears about half the size on Mars as it does from Earth.
10. Bits and pieces of Mars can be found on Earth.
11. Humans tend to “lose weight” in Mars.
13. The Mars symbol symbolizes the male gender.