The reason astronomers were able to photograph the surface of Mars is due to probes, unmanned spacecrafts used for exploration in space.
They believe Mars had surface water at one time.
Surface materialsbasaltic rock and altered materials
There is no vegetation on Mars.
The astronomers suppose that the water is frozen underground there. Long time ago Mars was warmer and water flows out. That's why the Curiosity car found peeblestones on the surface of Mars.
Astronomers have not yet made any findings regarding the possibility of life on Mars.
Surface materialsbasaltic rock and altered materials
: Why do astronomers conclude that the crust on Mars must be thicker then Earth's crust?
Evidence from satellites in orbit and rovers on Mars show features like dried up riverbeds. Surveys on the surface have also found minerals that can only form in water.
Evidence from satellites in orbit and rovers on Mars show features like dried up riverbeds. Surveys on the surface have also found minerals that can only form in water.
Mars was found in 1534 BC by Egyptian Astronomers.
mars has liquid water on it
Mars scientists found water on. Mars