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Aliens, ETs and UFOs => Outer Space => Topic started by: Devious Viper on August 30, 2006, 02:42:18 AM

Title: Life on Mars?
Post by: Devious Viper on August 30, 2006, 02:42:18 AM
John Von Radowitz, London
August 25, 2006

Possible signs of alien life have been found inside a Martian meteorite. Scientists have discovered tiny tunnels in the rock that may have been bored by micro-organisms on Mars. But researchers are cautious after the embarrassment over another Martian meteorite once alleged to contain signs of life.

Ten years ago, scientists from NASA said they had found small rod-like structures in the meteorite that were believed to be fossil bacteria. But most experts now believe there is no evidence of life in the 1.9 kilogram rock, ALH 84001. The rods and other "biosignatures" could all have been produced by inorganic processes, scientists say.

The new meteorite, called Nakhla, fell to Earth on June 28, 1911, exploding into dozens of fragments over Egypt. Nakhla was one of the first meteorites confirmed to have come from Mars by its chemical composition. The meteorite is estimated to be 1.3 billion years old and shows signs of being altered by the water once thought to have flowed on Mars. It spent some 11 million years drifting through space before entering Earth's atmosphere.

Scientists are now quietly taking seriously the possibility that Nakhla contains signs of Martian life, according to a US biology professor writing in New Scientist magazine. A team led by Martin Fisk at Oregon State University found tiny tubular holes similar to those in volcanic Earth rocks believed to be caused by bacteria or ancient organisms called archaeans. Averaging one to three micrometres in diameter and up to 100 micrometres long, the tunnels often contain biomolecules such as nucleic acids.

Peter Ward, from the University of Washington in Seattle, wrote: "When Fisk's team examined volcanic minerals inside Nakhla, to their surprise they found small tunnels virtually identical in size and shape to those in Earth rocks."

John McKay, from the Johnson Space Centre in Houston, Texas, later found carbon-rich matter in the rock's tunnels. Analysis suggested that it was carbon originating on Mars — an intriguing finding since all known life is based on carbon.

"Those involved have been careful not to get carried away by this new evidence," Dr Ward said.

Professor Fisk and his colleagues have stopped short of claiming the tunnels are proof of life on Mars.

Instead they say the features might be a "useful biosignature" given the abundance of volcanic rock in the solar system.

source http://www.theage.com.au
Title: Re: Life on Mars?
Post by: aakrant on April 11, 2010, 04:35:09 AM
Have faces and pyramids also found on mars.
Title: Re: Life on Mars?
Post by: KubeSix on April 11, 2010, 11:30:49 AM
Have faces and pyramids also found on mars.

Those are natural rock formations as far as anyone can tell...

P.S. I wonder how far you had to look to find this... That was in 2006...
Title: Re: Life on Mars?
Post by: aakrant on April 13, 2010, 02:02:55 AM
Why US Govt. is spending a lot of money on its space research.
Title: Re: Life on Mars?
Post by: KubeSix on April 15, 2010, 05:01:30 PM
Why US Govt. is spending a lot of money on its space research.

Same reason every other government that does space research do it. They do it to gain more knowledge of what's out there and to experiment in situations that can't be replicated here on Earth. The research done in space it much more beneficial to our everyday lives than most think it is and without the appropriate budget, that can't be done. If you look at the cost of the research equipment, they're not spending too much money and their expenses are reasonable.
Title: Re: Life on Mars?
Post by: aakrant on April 24, 2010, 11:23:26 PM
Those are natural rock formations as far as anyone can tell...P.S. I wonder how far you had to look to find this... That was in 2006...
 

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