Comet bombardment may have helped ancient Mars support life
The impacts would have produced regional hydrothermal systems on Mars similar to those in Yellowstone National Park, which today harbour chemically powered microbes, some of which can survive boiling in hot springs or inhabiting water acidic enough to dissolve iron nails, said study co-author Stephen Mojzsis from the University of Colorado at Boulder.
Apr 06, 2016, 16:59 PM IST