Mars presents an enormous topographic dichotomy between north and south, Why?
Because of erosion processes
Because the impact of a great object
Both are correct
The most representative features of Mars are
Valles Marineris
Olympus Mons
The Great Canyon
About Mars satellites
Phobos will finally collide with Mars
They are as bigger as their own planet
They are not spherical-shaped
What is the reason Mars does not present liquid water?
There was not enough water vapor in the atmosphere
Solar wind removed martian atmosphere
The low average temperature of the planet
Could Mars have had life?
It could appear even before than on Earth
A Mars rover found organic molecules that proves there was once life
Methane gas has been found and this gas is produced by life
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