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Mars is farther from the Sun than the Earth. The requirements to develop life on Mars were far less than on the Earth which had, at the time of the planets' formation, the ideal conditions to develop life.

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What can be considered signs of life on mars?

water


Is there alien life on Mars?

at the moment, there are no signs of life. There could be but most like there isnt. If there are Martians on Mars, they would be natives.


Which spacecraft tested the soil of Mars for signs of life?

In 1976 twin Viking spacecraft reached Mars. Each of the Viking landers carried a small laboratory meant to search for life forms. These laboratories tested Mars's air and soil for signs of life. None of these test showed evidence of life.


Is there any proof that there really is life on Mars?

The topic of life on Mars has been one of hot debate lately with the recent Rover bot finding more "possible" signs of life on Mars. However, there is no definitive evidence that there is life on Mars.


Does Mars have oceans like on earth?

No, mars don't have oceans like on earth.


What is a good sentence with search in it?

The robot will search for signs of life on Mars.


Which spacecraft tested the soil of mars for signs for life?

In 1976 twin Viking spacecraft reached Mars. Each of the Viking landers carried a small laboratory meant to search for life forms. These laboratories tested Mars's air and soil for signs of life. None of these test showed evidence of life.


Is Mar's oceans red?

No. Mars has no oceans.


What did Mars probe discover on Mars?

Well it depends on what you mean if you mean life they found signs showing that there used to be life on mars but not any actual creatures living there if you mean anything else they bound a barren planet of desert with signs showing that there used to be little streams there.


How do scientists know there is no life on mars?

They sent robots to look for it, so far they've found no signs of life.


Do aliens exist on Planet Mars?

As yet, humanity has found no signs of aliens (or any other life) on Mars, or anywhere else in the universe.


Is there any life that form in mars?

There is currently no evidence to suggest that any form of life exists on Mars. However, scientists believe that Mars may have had conditions suitable for life in the past, and they continue to search for signs of microbial life on the planet.