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Space & Astronomy

Did rover find evidence of past life on Mars?

By T.K. Randall
November 24, 2016 · Comment icon 5 comments



The cauliflower-like silica deposits were photographed in 2007. Image Credit: NASA/JPL-Caltech
Geologists have managed to link silica deposits on Mars with biological processes occurring on the Earth.
The team from Arizona State University found intriguing similarities between silica deposits photographed by NASA's Spirit rover on Mars nine years ago and hot spring silica deposits in northern Chile which are known to have been at least partially formed through biological processes.

"The fact that microbes play a role in producing the distinctive silica structures at El Tatio raises the possibility that the Martian silica structures formed in a comparable manner," said Steve Ruff, one of the researchers involved in the study.
"In other words, with the help of organisms that were alive at the time."

While the research doesn't prove that the deposits on Mars are definitely biological, the patterns seen in Chile have been described as "among the most Mars-like of any silica deposits on Earth."

It will take a much more in-depth look at the deposits on Mars however to ever know for sure.

Source: Science Alert | Comments (5)


Recent comments on this story
Comment icon #1 Posted by Nzo 6 years ago
I have a feeling that we may find the remnants of an old civilization that blew itself up. Maybe our past descendents or a portion of it?
Comment icon #2 Posted by Mark56 6 years ago
Check this story:http://www.dailymail.co.uk/sciencetech/article-2843871/Ancient-Martian-civilisation-wiped-nuclear-bomb-wielding-aliens-attack-Earth-claims-physicist.html
Comment icon #3 Posted by Thorvir Hrothgaard 6 years ago
Why do you have such a feeling?
Comment icon #4 Posted by cyclopes500 6 years ago
I'm wondering if that rover is busted and dead now. If not they've found something else.
Comment icon #5 Posted by brlesq1 6 years ago
This would be so cool. Evidence that Mars once hosted some sort of life.


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