Black holes, the cosmic enigmas that defy the laws of physics, continue to captivate the imaginations of astronomers and enthusiasts alike. These mysterious celestial entities, characterized by their intense gravitational …
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 …
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 …
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 …
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 …
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 …
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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