astronomy

Hans Lippershey and the Telescope

Hans Lippershey and the Telescope

Hans Lippershey(1570 – 1619) On October 2, 1608,  German-Dutch lensmaker Hans Lippershey applied to the States-General of the Netherlands for a patent for his instrument “for seeing things far away as if they were nearby”. Even though scientists of the 12th century never heard of telescopes and most of them did not know specific laws of optics, the started laying the foundations for telescopes as we know them today. Ptolemy already began…
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The Great Moon Hoax

The Great Moon Hoax

On September 16, 1835, the New York Sun concedes that her serial article about the sensational discoveries of astronomer Sir John Herschel about the Moon was only a hoax to increase their circulation. In the history of newspaper this scandal is referred to as ‘The Great Moon Hoax of 1835‘. The six articles, starting on August 25, 1835 consisted of stories about fantastic creatures living on the moon. They were compared with…
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The Exploration of Saturn

The Exploration of Saturn

True color picture of Saturn, assembled from Voyager 2 images obtained Aug. 4, 1981 On August 25, 1981, American space probe Voyager 2 passed Saturn and transmitted stunning pictures of the ring planet. The space probe had been launched by NASA on August 20, 1977 to study the outer Solar System and eventually to push forward into interstellar space. Until today, operating for more than 30 years the spacecraft still receives routine…
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Charles Messier and the Nebulae

Charles Messier and the Nebulae

Charles Messier(1730 – 1817) On June 26, 1730, French astronomer Charles Messier was born. He is best known for his publication of an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 “Messier objects”. The purpose of the catalogue was to help astronomical observers, in particular comet hunters such as himself, distinguish between permanent and transient visually diffuse objects in the sky. Charles Messier was…
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Regiomontanus – Forerunner of Modern Astronomy

Regiomontanus – Forerunner of Modern Astronomy

On June 6, 1436, German mathematician, astronomer, astrologer, translator, instrument maker and Catholic bishop Johannes Müller aus Königsberg was born, better known under the Latinized version of his name as Regiomontanus. His diligent and accurate observations, measurements and recordings paved the way for modern astronomers such as Tycho Brahe [4] and Nikolaus Copernicus.[5] Johanne Müller aus Königsberg grew up in a well situated family, and got in touch with astronomical calculations very early.…
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Galileo Galilei and his Telescope

Galileo Galilei and his Telescope

Galileo Galilei showing the Doge of Venice how to use the telescope,Fresco at Villa Andrea Ponti, Varese, 1858 On August 25, 1609, Galileo Galilei publicly demonstrated his newly built telescope for the first time to Venetian lawmakers. Besides its astronomical value Galileo’s telescope was also a profitable sideline for him selling telescopes to merchants who found them useful both at sea and as items of trade. Galileo published his initial telescopic astronomical…
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