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24 results:

The study found that the planet’s atmosphere contains a high concentration of heavier molecules, including a significant amount of water vapor.

Science

Astronomers probe a “steam world”

4 October 2024

Press release

A star’s temperature is far from uniform; it varies both across the star’s surface and over time. Now an innovative technique developed by UdeM’s Étienne Artigau and his team makes it possible to track these changes with unprecedented precision.

Science

Taking a star’s temperature

19 September 2024

Press release

Temperate exoplanet LHS 1140 b may be a world completely covered in ice (left) similar to Jupiter’s moon Europa or may be an ice world with a liquid substellar ocean and a cloudy atmosphere (centre). LHS 1140 b is 1.7 times the size of our planet Earth (right) and is the most promising habitable zone exoplanet yet found in the search for liquid water beyond the Solar System.

Science

Found with Webb: a potentially habitable world

8 July 2024

Press release

The Landolt mission comprises a crucial step in the quest for precision in astronomy.

Science

Landolt space mission: more precise measurements of star brightness

10 June 2024

Press release

Nathalie Nguyen-Quoc Ouellette

Community

UdeM astrophysicist named one of Canada's young tech stars

19 March 2024

Brief

On April 8, be part of the group who will experience this incredible astronomical phenomenon together at Université de Montréal.

Community

The 2024 solar eclipse: enjoy the show at UdeM!

15 March 2024

Article

Artist's concept of GJ 9827d. With only about twice Earth's diameter, the planet orbits the red dwarf star GJ 9827; two inner planets in the system are on the left.

Science

Water vapour discovered in a small exoplanet’s atmosphere

25 January 2024

Press release

Science

Astronomers now know how far the Earth is from 200 galaxies

31 October 2023

Press release

Marie-Josée Hébert and Nathalie Ouellette

Community

Two of Canada’s top women are at Université de Montréal

30 October 2023

Article

Community

AstroMIL is coming back to UdeM on Oct. 14

6 October 2023

Article

René Doyon

Community

René Doyon receives prestigious NASA Medal

26 May 2023

Press release

Science

In one year, southern Quebec will witness a total eclipse of the Sun

5 April 2023

Press release

From left to right: Sophie-Andrée Blondin, René Doyon and Charles Tisseyre.

Community

René Doyon: A scientific star with both feet firmly planted on the ground

29 January 2023

Article

Artistic representation of the planetary system of the star Kepler-138. We see Kepler-138 d in the foreground, and closer to the star, Kepler-138 c. These two planets are probably composed mainly of water. The small planet Kepler-138 b is seen transiting in front of the star. A fourth planet, Kepler-138 e, is further away and not visible in the image.

Science

Université de Montréal astronomers find that two exoplanets may be mostly water

15 December 2022

Press release

New observations of WASP-39b with the JWST have provided a clearer picture of the exoplanet, showing the presence of sodium, potassium, water, carbon dioxide, carbon monoxide and sulfur dioxide in the planet's atmosphere. This artist's illustration also displays newly detected patches of clouds scattered across the planet.

Science

An exoplanet atmosphere as never seen before

22 November 2022

Press release

Science

$26 million to propel space research at McGill and UdeM to the outer limits

21 November 2022

Press release

From left to right: Marie-Eve Naud, Frédérique Baron and Nathalie Ouellette.

Community

Three astrophysicists promoting science through iREx

21 November 2022

Article

Science

iREx making major contribution to astronomy

21 November 2022

Article

Jonathan Gagné et Myriam Prasow-Émond

Community

Where are they now after their time at iREx?

21 November 2022

Article

Science

Three videos ahead of the James Webb Space Telescope launch

20 December 2021

Article

Science

The James Webb telescope: part alien life detector, part time machine

9 December 2021

Article

Nathalie Ouellette, coordinator of the Exoplanet Research Institute at the Université de Montréal, and Olivia Lim, a doctoral student at the Université de Montréal.

Science

Women helped make the James Webb Space Telescope a reality

3 December 2021

Article

Artistic representation of the exoplanet Tau Boötis b and its host star, Tau Boötis

Science

A hot and dry Jupiter: SPIRou reveals the atmosphere of the exoplanet Tau Boötis b

28 July 2021

Press release

Science

A rare solar eclipse on the morning of June 10

1 June 2021

Press release

Faculty experts (fr)

In the media (fr)