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Vie sur Mars (ALH 84001)

Sommes-nous seuls dans l’univers? Peut-être bien que non! La météorite martienne ALH 84001 a suscité de nombreux débats lorsqu'elle révéla des traces comparables à des bactéries. Si la vie existe sur d’autres planètes du système solaire, elle ressemble probablement à ça!
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Vie sur Mars (ALH 84001) Vie sur Mars (ALH 84001) GMEU-PD-0510
11,95 €

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Sizes Giantmicrobes are based on actual microbes, cells, organisms and other critters, only 1,000,000 times actual size!
Gigantic (GG) 40-60cm
XL (XL) 25-38cm
Original (PD) 12-20cm
Minis (MM) 5-10cm each
Keychain (KC) 5-10cm with clip
Materials Plush from all new materials. Stuffed with polyester fiber fill. Surface washable: sponge with water & soap, air dry.
Packaging Each plush microbe includes a printed card with fun, educational and fascinating facts about the actual microbe or cell.
Safety Every product meets or exceeds U.S. and European standards for safety. For ages 3 and up.

All about Vie sur Mars (ALH 84001)

FACTS: There is little doubt that the rock ALH 84001 came from Mars – the gases trapped inside the rock are identical to those found in the Martian atmosphere by the Viking probes. However, the evidence for life inside the rock is widely debated!

In 1996, Dr. David McKay and his co-workers reported that they had found shapes inside the rock that look like fossilized bacteria. Skeptics wondered if terrestrial-bacteria had simply crawled into the rock at some point after it arrived. But examinations made of other meteorites collected nearby in Antarctica found no bacteria inside (though recent NASA studies have demonstrated this possibility).

Mineral grains and chemical compounds (such as carbon and magnetite) commonly produced by known bacteria were also found in the rock. While these materials can be produced by inorganic processes, the organization of the substances suggested the presence of life. Most intriguingly, a quarter of the magnetite is of a type which, so far, is known only to be produced by life.

The debate continues – and many scientists are skeptical. But, even if the evidence is less than rock solid, it is indeed possible that we have been invaded by Martians!

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