Joined: Sun Oct 17, 2004 5:25 pm Posts: 35180 Location: Brasil Gender: Male
Titan Has More Oil Than Earth By Space.com Staff
Saturn's smoggy moon Titan has hundreds of times more natural gas and other liquid hydrocarbons than all the known oil and natural gas reserves on Earth, scientists said today.
The hydrocarbons rain from the sky on the miserable moon, collecting in vast deposits that form lakes and dunes. This much was known. But now the stuff has been quantified using observations from NASA's Cassini spacecraft.
"Titan is just covered in carbon-bearing material — it's a giant factory of organic chemicals," said Ralph Lorenz, a Cassini radar team member from the Johns Hopkins University Applied Physics Laboratory. "This vast carbon inventory is an important window into the geology and climate history of Titan."
At minus 179 degrees Celsius (minus 290 degrees Fahrenheit), Titan would be an awful place to live. Instead of water, liquid hydrocarbons in the form of methane and ethane are present on the moon's surface, and tholins probably make up its dunes. The term "tholins" was coined by Carl Sagan in 1979 to describe the complex organic molecules at the heart of prebiotic chemistry.
Titan has long been viewed as a place that might be somewhat like Earth just before biology got going.
Cassini has mapped about 20 percent of Titan's surface with radar. Several hundred lakes and seas have been observed, with each of several dozen estimated to contain more hydrocarbon liquid than Earth's oil and gas reserves, according to a NASA statement. The dark dunes that run along the equator contain a volume of organics several hundred times larger than Earth's coal reserves.
Proven reserves of natural gas on Earth total 130 billion tons, enough to provide 300 times the amount of energy the entire United States uses annually for residential heating, cooling and lighting, according to the release. Dozens of Titan's lakes individually have the equivalent of at least this much energy in the form of methane and ethane.
"This global estimate is based mostly on views of the lakes in the northern polar regions," Lorenz said. "We have assumed the south might be similar, but we really don't yet know how much liquid is there."
Cassini's radar has observed the south polar region only once, and only two small lakes were visible.
The findings are detailed in the Jan. 29 issue of the journal Geophysical Research Letters.
Scientists estimated Titan's lake depth by making some general assumptions based on lakes on Earth. They took the average area and depth of lakes on Earth, taking into account the nearby surroundings, like mountains. On Earth, the lake depth is often 10 times less than the height of nearby terrain.
"We also know that some lakes are more than 10 meters or so deep because they appear literally pitch-black to the radar. If they were shallow we'd see the bottom, and we don't," Lorenz said.
The question of how much liquid is on the surface is an important one because methane is a strong greenhouse gas on Titan as well as on Earth, but there is much more of it on Titan. If all the observed liquid on Titan is methane, it would only last a few million years, because as methane escapes into Titan's atmosphere, it breaks down and escapes into space.
If the methane were to run out, Titan could become much colder. Scientists believe that methane might be supplied to the atmosphere by venting from the interior in cryovolcanic eruptions. If so, the amount of methane, and the temperature on Titan, may have fluctuated dramatically in Titan's past.
"We are carbon-based life, and understanding how far along the chain of complexity towards life that chemistry can go in an environment like Titan will be important in understanding the origins of life throughout the universe," Lorenz said. ------------
How long til they link Saturn with Al Qaeda and Bin Laden?
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Joined: Mon Oct 18, 2004 5:51 am Posts: 17078 Location: TX
Does anyone else think this is a bad thing? Actually, it isn't bad, because by the time we are able to effectively mine Titan, oil will be a distant memory on Earth.
Joined: Mon Oct 18, 2004 1:03 am Posts: 24177 Location: Australia
LittleWing wrote:
Wait wait wait...
Does this mean the dinosaurs once lived on Titan?
third line of the article "The hydrocarbons rain from the sky on the miserable moon"
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Joined: Fri Nov 30, 2007 9:46 pm Posts: 2275 Location: Round on the outside hi in the middle Gender: Male
psychobain wrote:
LittleWing wrote:
Wait wait wait...
Does this mean the dinosaurs once lived on Titan?
Jesus also
What if god was the jesus of Titan and he was the son of another god and that god was just the jesus of another planet and...ftw...I need to leave this office.
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What! Why?! How can this be?! Titan must have been a bastion of life back in the day!
Or is the oil on earth NOT from organic life. Or is it possible that it's NOT from organic life. Because I mea, why have massive oil reserves in the Gulf that were tapped dry in the seventies, all filled back up, and seeping massive amounts of crude into the Gulf?
Joined: Sun Oct 17, 2004 12:47 am Posts: 46000 Location: Reasonville
littlewing, just make your fucking point already. jesus man.
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What! Why?! How can this be?! Titan must have been a bastion of life back in the day!
Or is the oil on earth NOT from organic life. Or is it possible that it's NOT from organic life. Because I mea, why have massive oil reserves in the Gulf that were tapped dry in the seventies, all filled back up, and seeping massive amounts of crude into the Gulf?
The only people that believe this are you and a handful of Russian scientists. Congrats.
Joined: Sun Oct 17, 2004 4:01 am Posts: 19477 Location: Brooklyn NY
hmmmmm....
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LittleWing sometime in July 2007 wrote:
Unfortunately, it's so elementary, and the big time investors behind the drive in the stock market aren't so stupid. This isn't the false economy of 2000.
What! Why?! How can this be?! Titan must have been a bastion of life back in the day!
Or is the oil on earth NOT from organic life. Or is it possible that it's NOT from organic life. Because I mea, why have massive oil reserves in the Gulf that were tapped dry in the seventies, all filled back up, and seeping massive amounts of crude into the Gulf?
The only people that believe this are you and a handful of Russian scientists. Congrats.
I just kind of skimmed the article, but there is some more recent speculation that organic markers found in oil could be from bacteria that live around geothermal fissures and the like deep underground. Other than that, I don't know what other 'new' findings would support this theory. It definitely falls in line with some thoughts on the 'primordial soup' origins of life.
Joined: Tue Mar 07, 2006 8:14 pm Posts: 15317 Location: Concord, NC Gender: Male
i bet we'll spend hundreds of billions of dollars trying to tap into these oil reserves and after wasting fuel for spaceships/building materials and whatnot we won't come anywhere close to making a profit.
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