The Event Horizon Telescope (EHT) is a set of radio telescopes scattered all over the world and linked by interferometry, a VLBI designed to obtain a high-resolution image of the…
Astronomy
74 Articles
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Of smaller size but which remains imposing and of different design, let us quote also the radio-telescope of Nançay of the CNRS installed in the Cher in France put in…
Photography and its Limits
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While the eye is sensitive only to the light perceived instantly, the silver medium (photo plate and films) that was still used until the 1980s can record the light received…
The Equatorial Mount
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It is enough to have spent a few seconds on the eyepiece of a so-called azimuthal instrument, mounted on a tripod, to be aware of the sidereal movement which causes…
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If you want to teach astronomy, astronautics or sciences in general, if you like contact with the public or students, if you want to present science programs on television or…
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Often passionate about astronomy, he is an academic specialized in electronics, optics, chemistry, biology, computer science, etc. Astrobiologists, for example, can assess whether life is possible on some very cold…
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It is called “astronaut” in Europe and “cosmonaut” in Russia but these words mean the same thing. The job of astronaut is certainly the most dreaming of young people and…
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