Tag: Earth
Migmatitis: what is it?
Under certain conditions of pressure and temperature, the rocks that make up the continental crust can melt. However, the rocks of the earth’s crust have very varied compositions. They are…
Protolith: what is it?
Some geological processes, such as metamorphismmetasomatism or chemical weathering, lead to the transformation of all types of rocks, designated as protoliths, into rocks of a different nature. The protolith therefore…
What will happen to the giant asteroid Apophis when it skims Earth in 2029?
Apophis. It was discovered in June 2004. A asteroid some 350 meters and about 27 million tons. And for a few weeks, the scientific community had been worried about a…
NASA astronaut who broke the record for staying in space returns to Earth
ISS well International Space Station breaking the record in NASA astronaut Mark Vande Hei to Earth as of today returned. NASA astronaut Mark Vande Heithis record full within the International…
Water on Earth: its history is intimately linked to that of volcanoes
In this world water day, did you know that this element so precious for life, in considerable quantity on our beautiful blue planet, is partly of volcanic origin? It comes…
Asteroid: we know more about Apophis which will graze the Earth in 2029
Apophis. It was discovered in June 2004. A asteroid some 350 meters and about 27 million tons. And for a few weeks, the scientific community had been worried about a…
Spring Equinox: What is it?
The term ” equinox » comes from Latin aequinoctiumwhich binds aequs (equal to nox (night), and designates the moment when the duration of the day is equal to that of…
Water on Earth and volcanoes: an intimately linked story
In this world water day, did you know that this element so precious for life, in considerable quantity on our beautiful blue planet, is partly of volcanic origin? It comes…
How to explain the two giant anomalies detected inside the Earth?
Far under our feet are at play essential processes for the earth’s dynamics. However, this dynamic is intimately linked to the nature and composition of the mantle, which is far…
New hypotheses for the two giant anomalies detected inside the Earth
Far under our feet are at play essential processes for the earth’s dynamics. However, this dynamic is intimately linked to the nature and composition of the mantle, which is far…