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An update to the largest catalogue of X-ray detected astrophysical objects

The first of June sees the seventh data release of the XMM-Newton serendipitous source catalogue (3XMM-DR7), the largest catalogue of X-ray sources ever created. This new version includes 727790 X-ray […]

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Astrophysicists from Toulouse have studied the “rejuvenating” pulsar in a neighboring galaxy

French scientists published the results of a study of the unique ultra-slow pulsar XB091D. This neutron star is believed to have captured a companion only a million years ago and […]

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Pilot experiment : the interstellar dust studied from a balloon

The Pilot astrophysics experiment will be launched in a few days under a stratospheric balloon from Alice Springs in central Australia. The aim is to observe the polarization of the […]

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The “Tchouri” comet took several million years to form

The heating produced by the disintegration of isotopes of aluminum and iron potentially present in the 67P / Churyumov-Gerasimenko comet would have been too intense at the beginning of the […]

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Solid state convection and mixing of the Martian mantle before complete solidification of its magmatic ocean

An international team of researchers including an IRAP researcher (Paul Sabatier University of Toulouse and CNRS) publishes the results of a study devoted to the early thermo-chemical evolution of the […]

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New clues about the appearance of the first stars in the Universe

When and how did the first stars appear in the Universe and how did the galaxies form? Astronomers try to answer these questions by directly observing the childhood of the […]

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A detailed look at emerging galaxies

By pushing the largest telescopes to their limits, an international team of astronomers involving French researchers from the Laboratoire d’Astrophysique de Marseille (CNRS / Aix-Marseille University) and the Institut de Recherche en […]

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According to the latest results of the radar CONCERT on Rosetta, comets are mainly composed of dust rich in carbonaceous material

Measurements of the Rosetta mission’s CONSERT experiment made it possible for the first time to observe the interior of a comet and to estimate the average composition of the nucleus. […]

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SOFIA: a telescope operating from the stratosphere

The Orion nebula is an observational target since the earliest antiquity – first with the naked eye and then by means of ever more powerful telescopes, located for some on […]