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The European Southern Observatory (ESO) is 60 years old. An opportunity to look back at the links that ULiège has with the largest European observatory.  

A history rich in scientific and technological collaborations that has led to numerous discoveries in the fields of astronomy and astrophysics.

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The rotation of the large Near-Earth Asteroid Phaethon is accelerating by 4 milliseconds each year  

An international team of scientists including astronomers of the Liège University, has measured a small change in the rotation period of asteroid Phaethon.

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ULiège Master students in mission to Oukaimeden Observatory in Morocco  

30 students from the Masters in Space Sciences from the Liège University and Cadi Ayyad University from Marrakech spent a week under the starry skies of the Oukaimeden Observatory to live the life of an astronomer.

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TRAPPIST-1 is five years old  

Just five years ago, astronomers led by Michaël Gillon, researcher at the University of Liège revealed the discovery of one of the most fascinating exoplanetary systems ever observed.

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A publication in Astronomy & Astrophysics

ULiège astronomers contribute to the discovery of a new exotic world  

TOI-2257b is an exoplanet described as a temperate "mini-Neptune", about twice the size of Earth, orbiting a cool star in a highly elliptical orbit of 35 days.  

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10 january 2022

Bright comet Leonard does the show in the southern sky  

While the comet Leonard (C/2021 A1) was approaching its perihelion on January 3 and was visible to the naked eye in the Southern hemisphere, the TRAPPIST-South telescope captured this magnificient image of the comet colorful atmosphere and tail.

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3 janvier 2022

TRAPPIST observes JWST en route to final orbit  

On the night of 2 January, the ULiège TRAPPIST-Sud telescope at ESO in Chile photographed the James Webb Space Telescope (JWST) moving among the stars in the constellation Orion.

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A publication in Astronomy & Astrophysics

ESO publishes images of 42 of the largest asteroids of the Solar System  

A detailed catalog collected over the past four years with the Very Large Telescope of the European Southern Observatory, with the participation of TRAPPIST telescopes from ULiège.

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20 september 2021

The triple asteroid Kleopatra  

Thanks to the Very Large Telescope of the ESO and with the help of TRAPPIST telescopes, a team of astronomers  acquired the sharpest and most detailed images at this day of the triple asteroid Kleopatra

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10 june 2021

The spiral galaxy M106  

A swirling disc of stars and gas

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A publication in Planetary Science Journal

The seven rocky planets of TRAPPIST-1 seem to have very similar compositions  

Precise measurements reveal that the exoplanets of the system discovered by ULiège researchers have remarkably similar densities, which provides new clues about their compositions.

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Twisting with galaxy NGC 3718  

Photo Taken by Emmanuel Jehin with TRAPPIST-North.

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