Earth’s rotation: one more second and the world can change

Sometimes the Earth spins too fast. Humans then try to keep pace, to adapt their clocks. But adding 1 second in a digitized world is not without consequences. Like the Terrans, the blue planet was in a hurry to turn the page of the year 2020. It therefore turned faster than usual. Last year, the days lasted anLire la suite « Earth’s rotation: one more second and the world can change »

What is the mission of the Perseverance robot

published by Jules Bercy NASA’s perseverance rover, which left Cape Canaveral on July 30, 2020, landed safely on the Red Planet, Thursday, February 18, after having traveled 480 million kilometers. A crucial scientific step to try to find out if life existed on Mars The main objective pursued with this rover is to search for signsLire la suite « What is the mission of the Perseverance robot »

Perseverance’s landing on Mars in « seven minutes of terror »

published by Jules Bercy About seven months after taking off, NASA’s last vehicle, Perseverance, will still have to survive « seven minutes of terror, » as the ultra-perilous maneuver preceding its landing on Mars is dubbed.  The chosen location, Jezero Crater, is the most dangerous landing site ever attempted. In seven minutes, the rover must go from aLire la suite « Perseverance’s landing on Mars in « seven minutes of terror » »

Could Man survive without the other Species?

As they tame technology, humans gain independence and break free from the grip of nature. However, could humans survive without other species? The water he drinks and the air he breathes are purified by all living species: biodiversity.  This biodiversity also provides him with all of what he eats. But also many materials which constitute its world, orLire la suite « Could Man survive without the other Species? »

The life of a small second on Earth for man

published by Jules bercy The earth is the cradle of humanity. Man reigns supreme there, without anything seeming to be able to stop him. Yet planet earth did not wait for man to begin its history. Since life appeared, the earth has hosted countless species, which have followed one another for more or less long time. But 99.9%Lire la suite « The life of a small second on Earth for man »

A unique life on one planet

Humans inhabit a planet in their image: special, unique, perfect. The only planet that shelters living beings, the earth is an oasis of life in the middle of the great cosmic desert. But is she really that exceptional? Man has in fact only a very vague vision of the universe in which he evolves. His scale is soLire la suite « A unique life on one planet »

The Universe, the infinite and the infinite

Human beings have always known that they hold a special place in the universe. Center of the world, jewel of evolution, he raised his eyes to the sky. And then he started exploring. Man discovered that he inhabits one planet among many in the solar system, a small blue dot rotating around its star. The universe is teemingLire la suite « The Universe, the infinite and the infinite »

The Earth spun faster in 2020

You didn’t realize it, but July 19, 2020 was perhaps the shortest day of your existence! On that date and on 27 other occasions last year, the Earth broke the daily rotational speed record it set in 2005. Even Earth wanted 2020 to end ASAP. It turned faster in 2020 than since the start of theLire la suite « The Earth spun faster in 2020 »

The difference between a sea and an ocean

It is very difficult to tell the difference, whether we are talking about sea or ocean, the two are characterized as a vast expanse of salt water that covers part of the surface of the globe. To differentiate them, three criteria serve as a reference: extent, depth and location. Big oceans The oceans are very largeLire la suite « The difference between a sea and an ocean »

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