Tag: Universe
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…
Liquid water, source of life in the Universe
As the source of all life on Earth, water fascinates: one only has to hear the announcements concerning the “discovery” of water on the Moon or on Mars, constantly renewed…
6.5 million light years: this is the largest shock wave ever observed in the Universe
The South African MeerKAT radio telescope is a precursor to the telescope Square Kilometer Array (SKA), a giant radio telescope project consisting of several interferometric networks in metric and centimetric…
“From Rome to Giverny” by Eva Jospin, immersed in the dreamlike universe of the artist
From Rome to Giverny, this is the title of the first monograph by visual artist Eva Jospin. The work published by Xavier Barral editions accompanies two exhibitions of the artist…
“There’s nothing known in the sky that does that!” An exceptional object discovered in the Milky Way
The Universe will definitely never stop surprising us. Regularly, he reveals new objects to us. Unexpected. Surprising. Confusing. And today once again, a mysterious object that illuminates the sky with…
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…
There would be at least 40 billion billion stellar black holes in the Universe!
We don’t really know how far the Universe extends in space but we know how to estimate the size of the volume of what is called the observable Universe. A…
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…
There would be some 40 billion billion black holes in the Universe!
We don’t really know how far the Universe extends in space but we know how to estimate the size of the volume of what is called the observable Universe. A…
40 billion billion stellar black holes in the observable Universe!
We don’t really know how far the Universe extends in space but we know how to estimate the size of the volume of what is called the observable Universe. A…