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  1. FERMI reveals millisecond pulsars in a globular cluster

    Source:

    • Sciences et techniques

    Publishing date:

    June 3, 2009

    60 millisecond pulsars in the globular cluster 47 Tucanae: that is what the FERMI observatories concluded when for the first time they showed gamma-ray coming from a globular cluster. Millisecond pulsars are particularly abundant in the globular clusters but for now, radio or X-ray observations could only reveal 23. So for the first time gamma observations allowed scientists to conduct a better census of millisecond pulsars in the globular clusters and thus to better understand the evolution of those mini-galaxies of early ages of the universe. This result was announced in the August 14th, 2009 issue of Science.

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  2. 1982: première carte gamma de la voie lactée

    Source:

    • Sciences et techniques

    Publishing date:

    September 26, 2011

    En 1982, le premier satellite scientifique de l’ESA COS-B fournit la première carte de l’émission gamma de la Voie Lactée.

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  3. Fermi dévoile les pulsars milliseconde dans un amas globulaire

    Source:

    • Sciences et techniques

    Publishing date:

    June 3, 2009

    Mise à jour : 09/09/2009

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