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 […]
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 […]
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 […]
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. […]
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 […]
ALMA reveals the curious geometry of a proto-star
One of the great mysteries of astrophysics lies in understanding the different stages of formation of a star such as ours. How a star like the Sun emerged from the […]
BLACK HOLE MEAL SETS RECORD FOR LENGTH AND SIZE
A trio of X-ray observatories has captured a remarkable event in their data: a decade-long binge by a black hole almost two billion light years away. This discovery was made […]
NIKA observes the merging of clusters of galaxies
A team of researchers belonging to the the NIKAconsortium (1) led by Rémi Adam (Laboratoire Lagrange – OCA, UCA, LPSC Grenoble, CNES), Iacopo Bartalucci and Gabriel Pratt (CEA Saclay), obtained for […]