astronomy

Rudolf Wolf and the Discovery of the Sunspot Cycle

Rudolf Wolf and the Discovery of the Sunspot Cycle

On July 7, 1816, Swiss astronomer and astronomical historian Rudolf Wolf was born. Wolf’s main contribution was the discovery of the 11 year sunspot cycle and he was the co-discoverer of its connection with geomagnetic activity on Earth. Rudolf Wolf – Early Years and Academic Career Johann Rudolf Wolf was born in Fällanden, near Zurich, to Regula Gossweiler and Johannes Wolf, who was a minister in the Church. After studying at the Zurich Industrieschule,…
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Lyman Spitzer and the Space Telescope

Lyman Spitzer and the Space Telescope

On June 26, 1914, American theoretical physicist, astronomer and mountaineer Lyman Strong Spitzer was born. Researching in star formation and plasma physics, he is probably best known for being the first to conceive the idea of telescopes operating in outer space. Thus, he is also the namesake of NASA’s Spitzer Space Telescope. Well mountaineer and astronomer at the same time, I guess we never had a fellow like Lyman Spitzer up to…
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Johann Heinrich von Mädler and the First Accurate Map of the Moon

Johann Heinrich von Mädler and the First Accurate Map of the Moon

On May 29, 1794, German astronomer Johann Heinrich von Mädler was born. He is best known for producing one of the first exact map of the Moon, the Mappa Selenographica. Johann Heinrich von Mädler – Early Years Mädler was born in Berlin, Germany, the son of a master tailor. At birth, however, he was so weak that it was feared that he could only survive for a few hours. Over the years his…
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