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Life on Earth may have originated on Mars


Posted on Thursday, 29 August, 2013 | Comment icon 22 comments

Could all life on Earth have originated on Mars ? Image Credit: NASA/JPL-Caltech
New evidence suggests that life on our planet may have arrived here after first developing on Mars.
The revolutionary theory will be presented at the annual Goldschmidt conference today and is based on new evidence that backs up the notion that life didn't originate on Earth at all but instead was carried here from Mars on meteorites.

Professor Steven Benner is due to present the findings that suggest that an oxidized mineral form of the element molybdenum, thought to be a crucial component in the development of life, would have only been present on the surface of Mars.

"It's only when molybdenum becomes highly oxidized that it is able to influence how early life formed," he said. "This form of molybdenum couldn't have been available on Earth at the time life first began, because three billion years ago the surface of the Earth had very little oxygen, but Mars did. It's yet another piece of evidence which makes it more likely life came to Earth on a Martian meteorite, rather than starting on this planet."

Furthermore, early Earth is likely to have had so much water coverage that this would have impeded life's development. The evidence even points to the likelihood that the conditions favorable to the origins of life on Mars are actually still present there now.

"The evidence seems to be building that we are actually all Martians; that life started on Mars and came to Earth on a rock," said Benner. "It's lucky that we ended up here nevertheless, as certainly Earth has been the better of the two planets for sustaining life. If our hypothetical Martian ancestors had remained on Mars, there might not have been a story to tell."

Source: Goldschmidt Press Release | Comments (22)

Tags: Mars, Life, Earth, Panspermia


 
Recent comments on this story
Comment icon #13 Posted by curiouse on 30 August, 2013, 12:52
I always said "we are the "Martians".
Comment icon #14 Posted by UFO_Monster on 30 August, 2013, 20:08
That's some M. Night Shyamalan stuff.
Comment icon #15 Posted by Kludge808 on 30 August, 2013, 21:54
We have met the aliens and they is us? :-) Seriously, I tend to like highdesert50's idea a bit better but that's only because I'd like to think that panspermia could be more than just a local event. Galactic if not universal - neither provable by any stretch - would fit better ... or it would to me.
Comment icon #16 Posted by mumanster on 30 August, 2013, 22:41
Makes sense to me given that the Sun in its early stage, would have had a far more widespread 'Life Zone' than today, making Mars more likely to have been the 'Eden' of Earth. Should intelligent life have evolved there then it leaves no depth of imagination to propose that 'They' could have brought the life generating 'matter' here....
Comment icon #17 Posted by qxcontinuum on 31 August, 2013, 6:55
No surprize here. I knew it every since 20 years ago. It might ave actually arrived under inteligent more modern human form. Might have been an exodus from Mars to here
Comment icon #18 Posted by The New Richard Nixon on 31 August, 2013, 10:35
human form? this is about the first organisms
Comment icon #19 Posted by -M7 on 1 September, 2013, 21:45
OH! So would this be reason for Humanity's destructive and war-making nature?
Comment icon #20 Posted by kannin on 4 September, 2013, 0:46
i knew barbra streissand wasnt human!
Comment icon #21 Posted by bigjonalien on 6 September, 2013, 16:59
who doesn't know that!
Comment icon #22 Posted by Render on 10 September, 2013, 7:31
Prometheus


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