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Judi Lynn

(160,524 posts)
Mon Feb 1, 2016, 03:14 PM Feb 2016

Mysterious Martian "Cauliflower" May Be the Latest Hint of Alien Life

Mysterious Martian "Cauliflower" May Be the Latest Hint of Alien Life

Unusual silica formations spotted by a NASA rover look a lot like structures formed by microbes around geysers on Earth


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A picture snapped by Spirit near Home Plate shows silica formations poking out of the soil, which may have been formed by microbial life. (NASA/JPL-Caltech)
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By Sarah Scoles

smithsonian.com
3 hours ago

The hunt for signs of life on Mars has been on for decades, and so far scientists have found only barren dirt and rocks. Now a pair of astronomers thinks that strangely shaped minerals inside a Martian crater could be the clue everyone has been waiting for.

In 2008, scientists announced that NASA’s Spirit rover had discovered deposits of a mineral called opaline silica inside Mars's Gusev crater. That on its own is not as noteworthy as the silica’s shape: Its outer layers are covered in tiny nodules that look like heads of cauliflower sprouting from the red dirt.

No one knows for sure how those shapes—affectionately called “micro-digitate silica protrusions”—formed. But based on recent discoveries in a Chilean desert, Steven Ruff and Jack Farmer, both of Arizona State University in Tempe, think the silica might have been sculpted by microbes. At a meeting of the American Geophysical Union in December, they made the case that these weird minerals might be our best targets for identifying evidence of past life on Mars.

If the logic holds, the silica cauliflower could go down in history as arguably the biggest discovery ever in astronomy. But biology is hard to prove, especially from millions of miles away, and Ruff and Farmer aren’t claiming victory yet. All they’re saying is that maybe these enigmatic growths are mineral greetings from ancient aliens, and someone should investigate.

http://www.smithsonianmag.com/science-nature/mysterious-martian-cauliflower-may-be-latest-hint-alien-life-180957981/#6loj3lYFZeSIyHEA.99

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Mysterious Martian "Cauliflower" May Be the Latest Hint of Alien Life (Original Post) Judi Lynn Feb 2016 OP
Robert A. Heinlein, Stranger in a Strange Land Ichingcarpenter Feb 2016 #1
Ooohhhh for a sample-return mission... NeoGreen Feb 2016 #2

Ichingcarpenter

(36,988 posts)
1. Robert A. Heinlein, Stranger in a Strange Land
Mon Feb 1, 2016, 05:03 PM
Feb 2016

“The Universe was a damned silly place at best . . . but the least likely explanation for its existence was the no-explanation of random chance, the conceit that some abstract somethings "just happened" to be some atoms that "just happened" to get together in configurations which "just happened" to look like consistent laws and then some of these configurations "just happened" to possess self-awareness and that two such "just happened" to be the Man from Mars and the other a bald-headed old coot with Jubal himself inside.

No, Jubal would not buy the "just happened" theory, popular as it was with men who called themselves scientists. Random chance was not a sufficient explanation of the Universe--in fact, random chance was not sufficient to explain random chance; the pot could not hold itself.”
― Robert A. Heinlein, Stranger in a Strange Land



Don't forget GROK


Interesting find.......... but we need humans there, to really check it out.

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