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  1. Ultralight structures set to sail away in 2010- Sailing back to Earth

    Publishing date:

    June 27, 2007

    In 2011, after it has completed its mission to investigate the equivalence principle, the Microscope satellite will become another spent piece of space debris in an already cluttered low-Earth orbit.

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  2. Gale in an exoplanet's atmosphere


    • Sciences et techniques

    Publishing date:

    June 26, 2012

    Using the Hubble Space Telescope (NASA/ESA), the astronomers observed important changes in the upper atmosphere of a remote planet. Just after a strong eruption on its host star was observed in the X-rays range, the planet experienced a violent atmospheric escape. It was the first time such detailed observation of variations in the atmosphere of an extrasolar planet was performed; this result contributed to our knowledge of climatic variations and meteorological alterations in extreme conditions.

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