In July 1996, a NASA team led by David McKay and Everett Gibson announced the discovery of fossilized traces of microbial life in ALH84001, a meteorite from Mars recovered from the Antarctic. Skeptics insist that the life-like chemical traces found in the meteorite could have been formed by non-biological processes; but most scientists on both sides of the debate agree that the organic compounds, life-derived or not, did originate on Mars.-- How did the meteorite arrive on earth? How was its age determined?-- What makes the scientists so sure it came from Mars?-- What might the findings tell us about life on our own world?
"synopsis" may belong to another edition of this title.
Presents the story of Martian exploration to date, including the discovery of fossilized traces of microbial life in 1996.
"About this title" may belong to another edition of this title.
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