frozen carbon dioxide
mars has a north and south polar cap kinda like earth and people believed that water used to be on mars.
Mars is mostly rock
The "terrestrial planets" are Mercury, Venus, Earth, Mars.
Mars Global Surveyor and Polar Lander
MarsEarthEarth
mars has a north and south polar cap kinda like earth and people believed that water used to be on mars.
No.
Yes, in the form of ice, mostly at the polar regions
For one, we know there are polar ice caps on mars that consist of ice. Second, there are gorges that show where water once flowed.
The Polar diameter of Mars: 6,752km or 4,196 miles
Mars is a red-hued, rocky planet, with polar ice caps and valleys that are believed to have once contained water. The air is unbreathable and dust storms occue occasionally.
Babies of Polar Bears on Mars Babies of Polar Bears on Mars
While the Martian polar caps are mostly water ice, Mars does have a permanent southern polar cap layer of carbon dioxide about eight meters thick.
Venus and Mars. The difference is that Venus atmospheric pressure is around 93 times that of Earths, while Mars' atmospheric pressure is only 0.7% of Earths.
The atmosphere on Mars is mostly carbon dioxide.
Mars is mostly rock
mars is made mostly of rock