These have raised the level of curiosity and rovers

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These have raised the level of curiosity and rovers whose mandate is to explore that mars in this era in the search for habitable environments. It is evident that there is ice at the poles of this planet and there is a significant possibility of it having a frosty location elsewhere on the planet. The red planet used to have a thicker atmosphere billion years ago but this changed because the energy from the sun striking the atmosphere most probably stripped the lighter forms of hydrogen gas from the top and this made molecules to scatter into space. Scattering of particles into space for an extended period could have on as to why the planets have lessened the amount of the atmosphere near mars. Mars is the home of high and low terrains; this is because mars surface gravity is 37 percent of what could be on earth. This surface gravity makes it possible for the planet to hold tall volcanoes without collapsing. These are the reason as to why the planet has the tallest volcanoes in the solar system which is known as Olympus Mons. The Olympus Mons is estimated to be 17 miles high which is equivalent to 27 kilometers and it also three times taller than Mount Everest, its diameter is the same as the Arizona state. According to geologists Olympus Mons was formed as a result of lava eruptions which flowed for a very long distance without getting solidified. It is a shield volcano with slopes that which rise gradually and are
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similar to those of Hawaiian volcanoes. Mars also has canyon which is broad and deep, and they are known as Valles Marineris, these systems of valleys which got named after Mariner 9 that discovered it. The valleys got were found in the year 1971, it has a depth of 6 miles which is equivalent to 10 kilometers, and it runs from east to west for a distance of 2,500 miles which is approximately 4,000 kilometers. These valleys also extend to a one-fifth distance of mars, and they have a width close to the size of Australia. Many scientists believe that these valleys tend to form as a result of stretching of the crust. Some of the individual canyons in the system have a width of about 60 miles which is equal to 100 kilometers; these canyons come into contact or merge in the central part of these Valles Marineris a region which is 600 kilometers wide. Some channels emerge from the ends of some canyons, and there is also some layers of sediments which indicates that these canyons might have been filled with liquid water before. The red planet also has different kinds of volcanic landforms, such as small steep-sided cones and some vast plains with a hard lava coat. According to scientists, there could be an occurrence of some minor eruptions on this planet. The planet might have some liquid water that flowed across its surface in recent times because channels, gullies, and valleys are all often found all over mars. For more than 15 years scientists have been researching so that they can have definite signs that liquid flows on the surface today.
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