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Mars’ Moon Phobos Undergoing ‘Structural Failure’
universetoday.com ^ | on November 10, 2015 | Nancy Atkinson

Posted on 11/10/2015 4:49:46 PM PST by BenLurkin

One of the most striking features we see on images of Phobos is the parallel sets of grooves on the moon’s surface. They were originally thought to be fractures caused by an impact long ago. But scientists now say the grooves are early signs of the structural failure that will ultimately destroy this moon.

"We think that Phobos has already started to fail, and the first sign of this failure is the production of these grooves," said Terry Hurford, from NASA’s Goddard Space Flight Center.

...

Mars' gravity is pulling in Phobos closer by about 2 meters (6.6 feet) every hundred years. The orbit will get lower and lower until it reaches a level known as the Roche Limit. This is the point where the tidal forces between the two sides of the moon are so different that it gets torn apart.

Hurford and his colleagues, who presented their latest findings at the annual Meeting of the Division of Planetary Sciences of the American Astronomical Society this week, also delivered other bad news about the interior of Phobos – which could ultimately speed up the demise of the moon. Phobos' insides are likely to be just a big pile of rubble - barely holding together - surrounded by a layer of powdery regolith about 100 meters (330 feet) thick.

...

Phobos' grooves....new modeling by Hurford and his team supports the idea that the grooves are more like "stretch marks" that occur when Phobos gets deformed by tidal forces.

(Excerpt) Read more at universetoday.com ...


TOPICS: Astronomy; Science
KEYWORDS: astronomy; bodeslaw; deimos; grooves; mars; phobos; rochelimit; rocheradius; science; stickneycrater; striations; titiusbode; titiusbodelaw; titiusbodeslaw
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1 posted on 11/10/2015 4:49:46 PM PST by BenLurkin
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To: BenLurkin

Clearly, we are doomed.

Women and minorities hardest hit.

Sorry, I had to.


2 posted on 11/10/2015 4:50:59 PM PST by Colonel_Flagg ("Therefore, Sir, I tell you again ... you are necessitated to BREAK them." -- Oliver Cromwell)
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To: SunkenCiv

ping


3 posted on 11/10/2015 4:51:10 PM PST by BenLurkin (The above is not a statement of fact. It is either satire or opinion. Or both.)
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To: BenLurkin

I say Phobos is too big to fail.


4 posted on 11/10/2015 4:53:31 PM PST by ClearCase_guy (Speak TRUZ to power / Tell the TRUZ / No more lies; we want the TRUZ.)
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To: Colonel_Flagg

It;s an abandonded starship.


5 posted on 11/10/2015 4:53:56 PM PST by Dr. Bogus Pachysandra (Don't touch that thing Don't let anybody touch that thing!I'm a Doctor and I won't touch that thing!)
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To: Dr. Bogus Pachysandra
It's an abandonded starship.

Hook 'er up with rocket boosters! Yeah!


6 posted on 11/10/2015 4:58:47 PM PST by COBOL2Java (I'll vote for Jeb when Terri Schiavo endorses him.)
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To: BenLurkin
Where's the kaboom? There was supposed to be a moon-shattering kaboom!

 photo marvin_the_martian_jackets.jpg

7 posted on 11/10/2015 5:00:18 PM PST by digger48
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To: digger48

Yeh. They laughed at his illudium Q-36 explosive space modulator, didn’t they? Let’s see who is laughing now!


8 posted on 11/10/2015 5:03:27 PM PST by Billthedrill
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To: BenLurkin

Clearly Lunar Climate Change is coming to Phoboes.
We must cut down our carbon emissions NOW!


9 posted on 11/10/2015 5:05:57 PM PST by tet68 ( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
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To: BenLurkin; Charles Henrickson

Phobos is about to meet its Deimoise


10 posted on 11/10/2015 5:06:24 PM PST by martin_fierro (Mars Bard)
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To: Colonel_Flagg

Bush’s fault.


11 posted on 11/10/2015 5:08:32 PM PST by Bratch
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To: martin_fierro

Excellent!


12 posted on 11/10/2015 5:08:48 PM PST by BenLurkin (The above is not a statement of fact. It is either satire or opinion. Or both.)
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To: BenLurkin; SunkenCiv

I wonder if, once the Phobos breakup happens, there’ll be enough material left for a temporary ring around Mars


13 posted on 11/10/2015 5:13:54 PM PST by martin_fierro (< |:)~)
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To: martin_fierro

Global warming is the cause. It’s right there in front of our eyes. Our moon, the real moon, is next.


14 posted on 11/10/2015 5:17:03 PM PST by Kozy
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To: Marcella
I would like to see this happen. It's on my bucket list.

/johnny

15 posted on 11/10/2015 5:21:51 PM PST by JRandomFreeper (gone Galt)
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To: BenLurkin

Scientists estimate the ultimate destruction of this tiny moon (22 kilometers/13.5-miles in diameter) might take place in about 30 to 50 million years.


16 posted on 11/10/2015 5:22:07 PM PST by kabar
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To: BenLurkin

More computer modeling with little data or understanding of the situation equals dire forecasts and demands for grants.


17 posted on 11/10/2015 5:23:55 PM PST by fella ("As it was before Noah so shall it be again,")
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To: BenLurkin

My worst Phobos phobia is coming true.

Thoughts and prayers to the endangered Phobians hit hardest.


18 posted on 11/10/2015 5:24:18 PM PST by Rockpile
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To: BenLurkin

Who did it? Bush? global warming? Whitey?


19 posted on 11/10/2015 5:26:39 PM PST by I want the USA back (Media: completely irresponsible. Complicit in the destruction of this country)
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To: martin_fierro

+1


20 posted on 11/10/2015 5:32:54 PM PST by bassmaner (Hey commies: I am a' white male, and I am guilty of NOTHING! Sell your 'white guilt' elsewhere.)
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