REAL WORLD EVENT DISCUSSIONS

ICYMI - Mars 'may' actually have life !

POSTED BY: AURAPTOR
UPDATED: Sunday, December 21, 2014 00:18
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Thursday, December 18, 2014 12:30 AM

AURAPTOR

America loves a winner!


Methane. Mars seems to have it. Trace amounts have been detected before, but not like this. It does seems to increase and decrease, which is curious.

Quote:



New results from NASA's Curiosity rover are painting a curious picture of the planet's methane. The level of methane found in the Gale Crater is less than expected, based on prediction models. But every once in awhile, it spikes. NASA scientists believe that means that the gas is being produced somewhere nearby -- though they aren't sure where or how.

The results, published Tuesday in Science, show just how much we still have to learn about Mars' atmosphere. Readings from the rover found methane levels to be around half of what scientists had expected, based on all the natural processes that should be creating methane on the surface.

But periodically during their 20 month observation, the NASA scientists saw methane levels spike by an order of 10 -- sometimes in as little as 60 Martian days (just over two months on Earth).

Methane gas should stick around for hundreds of years, but Mars apparently keeps having spikes and drops of the gas. Months after a spike, the methane would be back to those unexpectedly low levels.

That probably means that it's being vented out somewhere near the crater, then quickly dispersing. It's likely that some process beneath the surface -- whether it's biological or geological -- occasionally floods the Gale Crater with methane by burping it out. Then the winds of Mars scatters the gas, and UV radiation destroys much of the methane.

In other words, Mars is still a very active planet.

It's exciting that methane is definitely in Mars' atmosphere, Curiosity Project Scientist John Grotzinger said during a news conference at the American Geophysical Union Meeting on Tuesday, even though it's not proof of life on its own.


http://www.washingtonpost.com/news/speaking-of-science/wp/2014/12/16/c
uriosity-readings-point-to-mysterious-pulsing-source-of-methane-on-mars
/



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Thursday, December 18, 2014 8:30 PM

JEWELSTAITEFAN


Quote:

Originally posted by AURaptor:
Methane. Mars seems to have it. Trace amounts have been detected before, but not like this. It does seems to increase and decrease, which is curious.

Quote:



New results from NASA's Curiosity rover are painting a curious picture of the planet's methane. The level of methane found in the Gale Crater is less than expected, based on prediction models. But every once in awhile, it spikes. NASA scientists believe that means that the gas is being produced somewhere nearby -- though they aren't sure where or how.

The results, published Tuesday in Science, show just how much we still have to learn about Mars' atmosphere. Readings from the rover found methane levels to be around half of what scientists had expected, based on all the natural processes that should be creating methane on the surface.

But periodically during their 20 month observation, the NASA scientists saw methane levels spike by an order of 10 -- sometimes in as little as 60 Martian days (just over two months on Earth).

Methane gas should stick around for hundreds of years, but Mars apparently keeps having spikes and drops of the gas. Months after a spike, the methane would be back to those unexpectedly low levels.

That probably means that it's being vented out somewhere near the crater, then quickly dispersing. It's likely that some process beneath the surface -- whether it's biological or geological -- occasionally floods the Gale Crater with methane by burping it out. Then the winds of Mars scatters the gas, and UV radiation destroys much of the methane.

In other words, Mars is still a very active planet.

It's exciting that methane is definitely in Mars' atmosphere, Curiosity Project Scientist John Grotzinger said during a news conference at the American Geophysical Union Meeting on Tuesday, even though it's not proof of life on its own.


http://www.washingtonpost.com/news/speaking-of-science/wp/2014/12/16/c
uriosity-readings-point-to-mysterious-pulsing-source-of-methane-on-mars
/



Were you listening to George Noory last night?

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Thursday, December 18, 2014 9:04 PM

AURAPTOR

America loves a winner!


Is that a serious question ? Noory is an Art Bell type, isn't he ? Coast to Coast or some such?

This comes from NASA, and not some soothsayer or Out of Body crack pot.

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Saturday, December 20, 2014 5:56 PM

JEWELSTAITEFAN


Quote:

Originally posted by AURaptor:
Is that a serious question ? Noory is an Art Bell type, isn't he ? Coast to Coast or some such?

This comes from NASA, and not some soothsayer or Out of Body crack pot.


Art's replacement.
What you posted was the discussion that night I mentioned.

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Sunday, December 21, 2014 12:18 AM

AURAPTOR

America loves a winner!


Well, I posted it when I heard the news. And since it was / could be very big news indeed, I guess that's why the CtC crowd were discussing it.

That show comes on pretty late here, and I'm not sure where to find it these days. By any chance I'm up that late, listening to AM radio prob isn't high on my list of priorities.


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