Tag: Earth
Why do we always see the same side of the Moon?
If we always see the same side of the Moon, it is because our natural satellite takes the same time to go around itself as it does around the Earth.…
Extraterrestrial life: life as we know it on Earth could also exist on Mars
Some environments on Earth are unmistakably similar to those that may have existed on Mars in the past. And in these environments, researchers find living organisms endowed with formidable adaptive…
Bacteria in hydrothermal vents are great energy powerhouses
Some hypotheses suggest that life appeared at the bottom of the oceans at hydrothermal vents. The bacteria currently observed there are based on methanogenesis, a process that releases energy if…
The Sun unleashed a powerful storm on the Earth 9,000 years ago when it was at its calmest
The biggest solar flares appear during the most intense periods of activity of our Star. It’s known. But researchers now show that about 9,200 years ago, a major storm erupted…
How fast do the continents move?
We are not aware of it, but the tectonic plates move slowly under our feet, at the speed of a few centimeters per year, driven by major tectonic and convective…
WHO: Symptoms of Omicron variant should not be categorized as ‘mild’
Tedros Ghebreyesus, director of the World Health Organization (WHO), stated that the Omicron variant of the coronavirus spreads faster and shows milder symptoms than the Delta variant. “However, symptoms should…
The Earth breathes differently between summer and winter
A new globe animation shows plants around the world absorbing and releasing carbon over the seasons, making the continents look like living lungs. You will also be interested [EN VIDÉO]…
How does the Webb Space Telescope communicate with Earth, 1.5 million km away?
To communicate with the largest space telescope based 1.5 million kilometers from Earth, there is no magic: antennas! the Deep Space Network NASA today tested the reception of the telescope’s…
Asteroids have been falling steadily on Earth and Mars for 600 million years
Counting the craters on the surface of a planet can provide precise information about its history. This is what researchers have done on Mars. They conclude that the frequency of…
Watch the Earth breathe through the seasons
A new globe animation shows plants around the world absorbing and releasing carbon over the seasons, making the continents look like living lungs. You will also be interested [EN VIDÉO]…