Tag: atmosphere
Apparent magnitude: what is it?
In astronomy, the term magnitude apparent is used to define the perception we have of brightness of one star in the sky. Or the brightness what does a star such…
Evolution of life on Earth and supernovae would be closely related
In their quest to understand the origins of life, scientists wonder in particular about the conditions conducive to its emergence. Many hypotheses have already been formulated. And today, researchers are…
Could the primitive atmosphere of Mercury have had an impact on the overall composition of the planet?
A team of researchers from the University of Bern sought to model the primitive atmosphere of Mercury, created by the evaporation of the magma ocean from the young planet. The…
There were no “breaths of oxygen” on Earth before the Great Oxygenation
When did oxygen first appear in Earth’s atmosphere? The answer to this crucial question has evolved over the years. And today, once again, researchers are providing new answers. According to…
Pockets of life in the atmosphere of Venus?
Despite its inhospitable appearance, Venus could be capable of harboring life, especially in its atmosphere: unexplained chemical anomalies are detected there, including the possible presence of ammonia. MIT researchers are…
Fluctuations on Jupiter look terribly like some seen on Earth
To reach Jupiter, it took the Juno probe about five years. From this distant world, it sends astronomers images that help them better understand the giant planet and its 80…
Why does the air contain less oxygen in the mountains?
If the air contains less oxygen in the mountains than at the seaside, it is because the pressure there is lower. The explanations. K2, the “mountain without pity” With 8,611…
The Geminids, the most beautiful rain of shooting stars of the year, in photos
If you missed the peak of activity of the Geminids, here are some of the most beautiful photos of the meteor swarm that will convince you to keep an eye…
Tornadoes in the United States: debris rose to an altitude of 9,000 m!
Between 20 and 30 tornadoes in seven states in the United States. All in just 24 hours, this Friday, December 10, 2021. This is what the meteorological services report. A…
How to measure the atmosphere and the well-being of employees in a company before applying?
It is no longer a secret, employees are now well aware of the issues related to well-being in the company. When they think of joining a new company, they legitimately…