Planet Mars has a very thin atmosphere which is composed of 96% carbon dioxide, 1.93% argon and 1.89% nitrogen along with traces of oxygen and water. ... Because of its thin atmosphere, and its greater distance from the Sun, the surface temperature of Mars is much colder than what we experience here on Earth.

What planets have thin atmospheres?

The smaller, rocky planets - Earth, Venus and Mars - have much thinner atmospheres hovering above their solid surfaces. The atmospheres on moons in our solar sytem are typically quite thin. Saturn's moon Titan is an exception - air pressure at the surface of Titan is higher than on Earth!

Which planet has the most thin atmosphere?

Of all the planets in the solar system, Mercury has the thinnest atmosphere, thinner than even Mars.