The constellations: outlines for finding your way in the sky
English
July 11, 2022
On a beautiful cloudless night, what’s more magnificent than the myriad of stars populating the celestial sphere. Constellations are the easiest...Read more
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Guided tour of the sky
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Planétarium Rio Tinto Alcan - Guided tour of the sky
First picture of the black hole at the heart of the Milky Way
English
June 8, 2022
Astronomers working on the Event Horizon Telescope (EHT) project have revealed the first picture of the black hole located at the center of our...Read more
The fabulous adventure of Rosetta
English
March 16, 2022
In September 2016 the European spacecraft Rosetta touched down softly on the surface of Comet 67P/Churyumov-Gerasimenko (Chury for short), crowning 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
What makes the Pole Star special?
English
July 20, 2021
The Pole Star is one of the best known stars, but it also holds its share of mysteries: is it brighter than the other stars? Is it the Shepherd’s...Read more
Valentina Tereshkova, the story of the first woman in space
English
May 12, 2021
Two years after the flight of Yuri Gagarin, the Soviets wrote another page in the history of aerospace by sending the first woman into orbit. In June...Read more
Yuri Gagarin, the man from the cosmos
English
April 7, 2021
“I come from the cosmos.” These are the words that cosmonaut Yuri Gagarin is said to have spoken to a farmer and her daughter who were frightened by...Read more
Charles Messier, the comet chaser
English
February 3, 2021
Qui est Charles Messier? Charles Messier is a name well known to amateur astronomers, he being the creator of a catalogue of astronomical objects...Read more
The planet Mercury has a rendezvous with the Sun
English
November 6, 2019
On November 11, 2019, we’ll be witness to a rare phenomenon: the transit of the planet Mercury in front of the Sun. The planet Mercury’s orbit is...Read more
Apps for predicting the Northern Lights
English
March 13, 2019
The aurora borealis is a thing of great beauty to see. But the difficulty’s always in knowing when to look at the night sky to find it. Mobile...Read more
