Mars
| orbit length: | 687 earth days |
| mass: | 6.39 x 10^23 kg |
| mi from sun: | 141.6 million mi |
| core: | hydrogen and oxygen |
Mars is the fourth planet from the sun.
In English, Mars carries the name of the Roman god of war.
Mars has been proven to once have running water, scientists are currently exploring it with rovers.
Mars no longer has water, all water is now ice on the surface. Temperatures on Mars average about -81 degrees F.
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