is the fourth planet from the Sun. it has two moons Phobos and Deimos.
Phobos is the large one. Phobos is tiny for a moon, actually it is about
the size of Houston. Mars is named after the Roman god of war, because
it looks blood red in the night sky. people have looked at Mars for
thousands of years.
Mars is small
compared to Earth. The surface area of Mars is about 1/4 on
The atmosphere of
Mars is 95 percent carbon dioxide,
almost 3 percent nitrogen and about 2 percent argon with extremely small
amounts of oxygen, carbon monoxide, water vapor, and other gases.
NASA is planning to make a base on Mars in the near future.
in daytime but goes below zero at night