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What planet besides earth once had water on it?
mars
Which inner planet once had water on it?
The Rover mission confirmed that Mars once had liquid water on its surface.
Is it possible that water once was on Mars?
Yes there is proof that there was water on Mars and possibly even life.
Does Mars have a earth sign?
Mars is full of frozen water and once was like Earth
What planet has evidence of erosion by water?
Mars has evidence of erosion by water, including river valleys, channels, and minerals formed in the presence of water. Mars once had liquid water flowing on its surface, shaping the landscape over time.
What is the main evidence that water once existed on mars?
For one, we know there are polar ice caps on mars that consist of ice. Second, there are gorges that show where water once flowed.
Is there evidence of mars having liquid water?
yes. there is water underground and scientist believe mars once had streams, lakes, and an ocean
What proves that Mars once had a warmer climate?
Analysis of the rocks on Mars show that its surface once held liquid water. Mars is too cold for water to remain liquid now, so it must have been warmer in the past.
What inner planets once had liquid water on its surface?
Mars
How was Mars was once similar to Earth?
We now know that Mars once had liquid water on its surface and probably had a much denser atmosphere than it does now.
What flowed across Mars' surfaces?
i is believed that water once flowed across mars surface and now the water is stored in the form of ice!
Why might astronauts look for water on Mars?
NASA assumed Mars was once a place with water (rivers and seas). They are searching for water since it is believed "where there is water there could be life."
