News from the labs
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Monster shocks at the origin of fast radio bursts
A new mechanism involving the production of coherent radio wave emission is proposed to explain the origin of fast radio bursts. In a full-length article in...
GW230529: Observation of the merger of a neutron star and an unknown compact object
On May 29, 2023, during the first part of the fourth observation period (O4a) of the LIGO-Virgo-KAGRA, detectors, a particular merger of two stars was...
The solar eclipse of April 8, 2024... partially visible in overseas France
On April 8, 2024, the first total solar eclipse of the year will take place. French citizens will be able to see a partial eclipse in certain overseas...
The aurora of Enceladus reveals itself one last time to Cassini
On September 14, 2017, during its final orbit around Saturn, the Cassini space probe observed the ultraviolet auroral imprint of the moon Enceladus in the...
Cosmic dawn observational progress with NenuFAR
The NenuFAR Cosmic Dawn project has taken an important step in the exploration of the Cosmic Dawn, this key period in our Universe marked by the formation of...
Radio bursts: from Jupiter to the stars
The combined results of two recent papers illustrate how studies of radio emissions from Jupiter can be transposed to star systems. Mauduit et al. [1] have...
Probing the interstellar medium of a very distant galaxy
A scientific team involving GEPI at the Paris Observatory - PSL observed with the ESO/VLT X-shooter spectrograph one of the most distant gamma-ray bursts...
How to measure magnetic fields within binary systems emitting gravitational waves?
In a recent study published in Physical Review D, a team from SYRTE in Observatoire de Paris and LDE3 from DAp/IRFU at CEA, demonstrated that the effect of...
A coherent scenario for the Earth-Moon distance evolution
Due to tidal friction, the Earth’s rotation slows down and the Moon goes away. This is measured with centimetre precision using Lunar Laser ranging. But up...
The high abundance of heavy elements hidden by dust
For a long time, ultra-luminous infrared galaxies, resulting from major galaxy mergers, appeared with a relatively low abundance of heavy elements, compared...