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Alien life 'weirder' than we think

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#1    EmpressStarXVII


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Posted 08 July 2007 - 10:15 AM

Alien Life May Be "Weirder" Than Scientists Think, Report Says
John Roach
for National Geographic News
July 6, 2007

Think life on Earth is weird? It might be even weirder on distant planets and moons, according to a new report.

Instead of thriving on water, extraterrestrial organisms might live in a sea of liquid methane. Or instead of getting energy from the sun, they might thrive on hydrochloric acid.

These possibilities could revolutionize future space missions in search of life elsewhere in the solar system, says the report, issued today by the National Academy of Sciences (NAS).

The report concludes that scientists need to consider an expanded list of characteristics that define life, including so-called "weird" life-forms that may thrive where Earth organisms couldn't.

Instead of dispatching spacecraft to dig into the subsurface of Mars, considered a prime candidate for primitive life because of its watery past, the report says the probes may have better luck on Saturn's moon Titan, which has seas of liquid methane and ethane.

In fact, the report concluded that Titan is the most likely candidate in the solar system for weird life.

"It's a carbon world, so there's plenty of different kinds of carbon compounds there, and the possibility is that there may be the carbon compounds that make up life," said John Baross, an oceanographer at Seattle's University of Washington, who lead the report team.

Source and full article here.


Thinking outside the box at its best yes.gif.

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#2    Bear's Quest

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Posted 09 July 2007 - 04:45 AM

"Let's be a little more broad-minded. Let's not just look for life as we know it," Shostak said.

"The only problem," he added, "is it's very difficult to look for life as you don't know it, because you don't know how to look for it. I think that's what motivates this study."

I agree, well put.

What box am I looking for, outside? tongue.gif

Edited by Bear's Quest, 09 July 2007 - 04:46 AM.

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