Warmer conditions on Ancient Mars increase the possibility that life developed there, according to researchers.
The climate on Mars between 3 and 4 billion years ago may have been warm enough to sustain significant rainstorms and flowing water before conditions turned cold and the planet froze over, according to research.
"We know there were periods when the surface of Mars was frozen; we know there were periods when water flowed freely," Horgan said in a statement."But we don't know exactly when these periods were, and how long they lasted." "Here on Earth, we find silica deposition in glaciers which are characteristic of melting water," she said."On Mars, we can identify similar silica deposits in younger areas, but we can also see older areas which are similar to deep soils from warm climates on Earth. This leads us to believe that on Mars three to four billion years ago, we had a general slow trend from warm to cold, with periods of thawing and freezing.
"We know that the building blocks of life on Earth developed very soon after the Earth's formation, and that flowing water is essential for life's development," Horgan said."So evidence that we had early, flowing water on Mars, will increase the chances that simple life may have developed at around the same time as it did on Earth.
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