Around the world, about thirty observatories have dedicated at least one telescope to the study of the Sun. Given the atmospheric turbulence, it is almost impossible to use instruments over…
Technological Challenges
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Since the manufacture of the 5 m diameter mirror of the Mount Palomar Observatory in 1939, because of their gross mass exceeding 40 tons, the mirrors of the large telescopes…
Modern Times
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At the turn of the twentieth century, Lorentz understood the futility of mechanical support to explain the propagation of the electromagnetic field. He also discovered the theory of electrons. Meanwhile,…
Kepler’s Laws
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A decisive step was taken in the seventeenth century by Johannus Kepler in Germany, a renowned mathematician, the founding father of modern astronomy. Protestant of confession and thus little concerned…
The Great Civilizations
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In China, the greatest astronomer of the Middle Kingdom was Tcheou Kong, the brother of Emperor Wou Wang who lived in the eleventh century before our era. He built an…
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Astronomy is learned during the last years of university but it often takes more than 5 years of study to become an astronomer. It is even insufficient because astronomy is…
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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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