Water on Mars may have been triggered by meteorite impacts
Cosmic impacts on young Mars may have triggered deluges, potentially explaining why the Red Planet was once covered in water, a new study finds. Although Mars is now cold and dry, scientists have for decades found evidence suggesting that the planet's surface was once covered with rivers, streams, ponds, lakes and perhaps even seas and oceans. Since there is life virtually everywhere on Earth where there is water, this history of water on the Red Planet raises the possibility that Mars was once home to life, and might host it still.
© Virgin Galactic; ASTRON; Ittiz; However, despite the evidence for Red Planet water, scientists haven't been able to figure out how Mars could have possessed this water during its…
