Searching for planets with life

CONTENU ARCHIVÉ 05 NOV. 2003 6670

This animation shows how ESA plans to search for Earth-like planets in other solar systems, with space missions currently in development. It may be possible to find signs that these planets can host life, at least, as we know it.

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[ Science ]

CONTENU ARCHIVÉ : 14 NOV. 2006

How many planets are outside our Solar System?

Since 1995, when Michel Mayor and Didier Queloz of the Observatoire de Geneve, discovered the first planet orbiting another star like the Sun, over two hundred more extrasolar planets have been found in more than 170 solar systems outside our own.

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[ Science ]

CONTENU ARCHIVÉ : 01 MAI. 2003

Looking for life of any shape or form

On 25 April 25 1953, James D. Watson and Francis H. Crick published an historic paper in Nature that would change the fate of modern science.

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[ Corot ]

07 JUIL. 2003

How do 'waterworlds' form?

In 2003, it was proposed at a conference of the world's leading experts in extrasolar (or 'exoplanet') detection that a new class of planets could be awaiting discovery: 'waterworlds'.

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[ Science ]

31 DÉC. 2003

How to find an extrasolar planet

There are three main detection techniques that can be used to find extrasolar planets. All of them rely on detecting a planet's effect on its parent star, to infer the planet's existence.

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