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News from the labs

Page 3 - results 21 to 30
Published on 29 August 2021

The paradox of solar polarization finally resolved by a French theory

The paradox of the polarization of the sodium line from the Sun, which dated from 1997, has been resolved. The paradox arose from an observation by Stenflo...
Published on 8 March 2021

Cosmological parameters from measurements of the sparsity of galaxy clusters

A team of astrophysicists from the Paris Observatory and INAF-Bologna has performed an estimation of the cosmological parameters using a new method based on...
Published on 25 January 2021

CHEOPS finds unique planetary system tuned in a chain of Laplace resonances

The CHEOPS space telescope detects six planets orbiting the star TOI-178. Five of the planets are trapped in an exceptional chain of Laplace resonances in...
Published on 16 October 2020

Phosphine on Venus : No detected traces in infrared spectra

An international team, coordinated by researchers from Paris Observatory - PSL, at LESIA, has searched for the signature of PH3 on Venus in infrared spectra....
Published on 28 September 2020

First results of CHEOPS on an extreme exoplanet

The CHEOPS Space Telescope keeps its promises: Its first observations reveal the face of the exoplanet WASP-189b - one of the most extreme planets known....
Published on 2 July 2020

Discovery of an extrasolar system with two strongly interacting planets

An international team led by Guillaume Hébrard, researcher at Institut d’astrophysique de Paris, and involving researchers from Paris Observatory has...
Published on 4 May 2020

General relativity confirmed using Nançay’s radiotelescope

A collaboration involving researchers from Paris Observatory - PSL, CNRS and LPC2E (Orléans) reports in the journal Astronomy and Astrophysics the most...
Published on 7 February 2020

The surface of the Sun is magnetized

A recent compilation of several spectroscopic observations of the surface of the Sun shows that the magnetic field gradient in the vertical direction is 3...
Published on 24 January 2020

MICADO, future ELT camera, takes an important step in its design

C’est officiel depuis le 21 janvier 2020. MICADO, instrument de première lumière de l’Extremely Large Telescope (ELT) de l’ESO, franchit avec succès sa revue...
Published on 24 October 2019

A new constraint on the mass of "graviton"

Scientists from the observatories of Paris and Côte d’Azur, as well as the scientific center of Monaco, have used solar system data in order to constrain the...