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  2. First results from Microscope satellite confirm Albert Einstein’s theory of relativity with unprecedented precision

    Publishing date:

    December 4, 2017

    Measurements of the equivalence principle had not been improved upon for 10 years, but now the first results from CNES’s Microscope satellite, equipped with accelerometers supplied by the French aerospace research agency ONERA, are 10 times better. They show, with an unprecedented precision of 2.10-14, that bodies in a vacuum fall with the same acceleration. The equivalence principle has so far proved unshakeable and this result simply reconfirms the theory of general relativity postulated by Albert Einstein over a century ago.

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  3. Next Soyuz mission from Guiana Space Centre to orbit Microscope, Sentinel-1B and Fly Your Satellite!

    Publishing date:

    April 19, 2016

    Friday 22 April, Soyuz will launch from Europe’s spaceport at the Guiana Space Centre (CSG) to send aloft the Microscope satellite for CNES, Sentinel-1B for the European Space Agency (ESA) and the European Union, and Fly Your Satellite! for ESA. It will be Soyuz’s first flight from the CSG this year.

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  4. CNES’s next satellite, Microscope, arrives at the Guiana Space Centre

    Publishing date:

    March 11, 2016

    CNES’s Microscope satellite (MICROSatellite à trainée Compensée pour l’Observation du Principe d’Équivalence) arrived at the Guiana Space Centre (CSG) on 10 March. It is now set to be orbited on the next Soyuz launch from the CSG scheduled on 22 April. Microscope will test the universality of free fall for the first time in space using an experiment 100 times more precise than anything on Earth.

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  5. Microscope satellite First results looking very promising

    Publishing date:

    December 7, 2016

    CNES’s Microscope satellite has begun the long science phase of its mission after successfully completing in-orbit checkout, during which it has already achieved very promising results.

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  6. Soyuz successfully orbits Microscope, Sentinel-1B and Fly Your Satellite! from Guiana Space Centre

    Publishing date:

    April 26, 2016

    Monday 25 April, the Soyuz launcher accomplished its 14th successful flight from the Guiana Space Centre (CSG), Europe’s spaceport in Kourou, orbiting Microscope for CNES, Sentinel-1B for the European Space Agency (ESA) and the European Union, and Fly Your Satellite! for ESA.

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  7. Microscope A new CNES satellite to test Albert Einstein’s theory of general relativity

    Publishing date:

    April 15, 2016

    CNES’s Microscope satellite (MICROSatellite à trainée Compensée pour l’Observation du Principe d’Équivalence) was presented to the press today at the agency’s Head Office in Paris. The satellite is set to be orbited Friday 22 April by Soyuz from the Guiana Space Centre. Microscope will test the universality of free fall for the first time in the vacuum of space using an experiment 100 times more precise than anything on Earth.

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  8. Organization

    Publishing date:

    July 1, 2016

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  11. PRESS RELEASE

    Publishing date:

    June 25, 2004

    The MICROSCOPE project begins: will new physics ultimately replace the current model?

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