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  1. Gaia unveils ghost galaxy

    Publishing date:

    November 16, 2018

    The Gaia mission has uncovered a major event in the formation of our Milky Way galaxy, now thought to be the result of a merger with a smaller galaxy called Gaia-Enceladus. “This discovery completely changes our perception of galactic structures as we thought we knew them”, according to Carine Babusiaux, a research scientist at the IPAG planetology and astrophysics institute/OSUG, the Grenoble universe sciences observatory, in charge of simulations for the Gaia mission and co-author of a paper announcing the discovery in the journal Nature.

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  2. La galaxie fantôme traquée par Gaia

    Publishing date:

    November 16, 2018

    La mission Gaia vient de mettre en lumière un évènement majeur survenu lors de la formation de notre galaxie. La Voie lactée serait le fruit d'une fusion avec une plus petite galaxie baptisée Gaia-Encelade. "Cette découverte bouleverse les frontières des structures galactiques telles qu'on les envisageait jusqu'à présent", estime Carine Babusiaux, chercheuse à l'IPAG/OSUG, responsable des simulations pour la mission Gaia et cosignataire de la publication parue dans Nature.

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  5. Satellite

    Publishing date:

    June 19, 2014

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  6. Mission

    Publishing date:

    June 19, 2014

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  7. Organisation

    Publishing date:

    June 19, 2014

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  8. Instrument HFI

    Publishing date:

    June 19, 2014

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