ALH84001 - The Life on Mars meteorite
On August 7, 1996, an historic press conference was held at NASA Headquarters in Washington DC. News that scientists had found evidence of life in a
Mars meteorite ALH84001 had leaked out, and NASA had to make an announcement. A few minutes before, President Clinton made these remarks at the White
House before heading out on a trip to California:
"This is the product of years of exploration and months of intensive study by some of the world's most distinguished scientists. Like all
discoveries, this one will and should continue to be reviewed, examined and scrutinized. It must be confirmed by other scientists... I am determined
that the American space program will put its full intellectual power and technological prowess behind the search for further evidence of life on
Mars."
At the press conference, several scientists from NASA and Stanford University announced their findings -- they confirmed that they had found evidence
of ancient, fossilized, microscopic life from a Martian meteorite, known as ALH84001.
When they cut it open and examined it with an electron microscope they found what you see below.
The photograph below shows orange-colored carbonate mineral globules found in a meteorite, called ALH84001, believed to have once been a part of Mars.
These carbonate minerals in the meteorite are believed to have been formed on Mars more than 3.6 billion years ago. Their structure and chemistry
suggest that they may have been formed with the assistance of primitive, bacteria-like living organisms.
More Photos from NASA
A research team led by Dr. Imre Friedmann at NASA's Ames Research Center has provided additional evidence supporting the view that these crystals
could only have been formed by living organisms.
It is important to note that members of Friedmann's research team include scientists such as Dennis Bazylinski and Joseph Kirschvink who have been
studying magentotactic bacteria for decades. As such it is rather notable that they would co-author a paper that states: "Unless there is an unknown
and unexplained inorganic process on Mars that is conspicuously absent on the Earth and forms truncated hexa-octahedral magnetites, we suggest that
these magnetite crystals in the Martian meteorite ALH84001 were likely produced by a biogenic process. As such, these crystals are interpreted as
Martian magneto-fossils and constitute evidence of the oldest life yet found."
One major objection has been that the magnetite crystals could have come from bacteria which infiltrated the rock after it landed on Earth.
However, Dr Friedmann said the crystals were from Mars, because they are inside other globules of rock whose origin is uncontested.
As word rampantly spread through the media, NASA said they made a mistake and the meteorite didn�t contain life. Talk about a 180� turnaround. The
recent discovery that liquid water once existed on mars further supports the findings of the original scientists that fossilized microscopic life has
been found in the meteorite. I think NASA is attempting to cover-up this discovery.
Links:
Mars rock has signs of life, expert says.
NASA Announces New Evidence Regarding Past Life on Mars.
From Mars to Earth in a Meteorite?
[Edited on 9-3-2004 by kinglizard]
[Edited on 9-3-2004 by kinglizard]
[edit on 6/2/2008 by kinglizard]