i don't know find it yourself !
I'm not an astronaut
It has info on Mars because some people need to study it and other unexplainable answers and something to do with the way astronauts go to space.
A good source of info is at brunomars.com, his official website.
Some Questions about mars are 1 Do aliens live there 2 why are not able to find them
A book.
If you pay me.
it is proven yet we will find out some day
Yes, lava, Good Luck! Well I think Mars has got fire cause if you think of it this way. Mars is hot and rock, sandy so there could be fire. You could search google if you really want to find out. Hope this info helps.
what was sojourner supposed to find on mars
go to wikepedia and find a lot!!!
There is very little water on Mars, but some can be found frozen at its North Pole.
Wikipedea.org
Mars rovers are programed to scan the earth and (if there is any) water. Some can even detect signs of moment to find lifeforms.