The asteroid 2024 YR4 under watch
English
February 5, 2025
Have you heard of the asteroid 2024 YR4? This “little” celestial voyager is now under close scrutiny by astronomers around the world. Discovered on...Read more
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asteroid
The DART mission: protecting the Earth against cosmic collisions
English
October 27, 2021
NASA is getting ready to launch a spatial probe with an unusual mission: deflecting an asteroid! This mission will make it possible to test a...Read more
Carolyn S. Shoemaker, an astronomer in love with the sky
English
September 8, 2021
I’d like to take advantage of this blog entry to pay tribute to a great lady of astronomy, Carolyn S. Shoemaker, who left us in August 2021. Even...Read more
Delivery of a celestial treasure
English
November 25, 2020
On December 6, 2020, the Japanese spaceship Hayabusa2 will return close to the Earth and lower a capsule in the Australian desert. The capsule will...Read more
In 1994, it rained meteorites on Québec
English
June 12, 2019
June 14, 1994, is a memorable date in Québec history. That evening at 8:02 a fireball crossed the sky of southern Québec. A few moments later,...Read more
The Tunguska catastrophe
English
June 5, 2018
On June 30, 1908, Russia was the setting for a major, although relatively localized, catastrophe. That morning, at 7:17 local time, a ball of fire...Read more
Almahata Sitta: a unique meteorite
English
February 27, 2018
In December 2008, researchers from the University of Khartoum discovered a very special meteorite in the Sudan desert. This is an account of that...Read more
One planet, two moons and thousands of rocks
English
June 10, 2016
Mars shines brilliantly in the sky this summer, and at the Planétarium. To mark the opening of two new shows, A Day on Mars , and Asteroid: Mission...Read more
