astronomy

The Sky Disc of Nebra

The Sky Disc of Nebra

On February 23, 2002, the state archaeologist Harald Meller succeeded to acquire the now famous Nebra Sky Disc in a police-led sting operation in Basel, Switzerland. The Nebra Sky Disc is a Bronze age artifact shaped like a disk with a blue-green patina and inlaid with gold symbols, representing a map of the sky. The Disk The disk weighs about 2,3 kg and consists of bronze as well as an alloy made…
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The Hale Telescope at Palomar Observatory

The Hale Telescope at Palomar Observatory

On January 26, 1949, the Hale telescope at Palomar Observatory sees first light under the direction of Edwin Hubble,[4] becoming the largest aperture optical telescope (until BTA-6 is built in 1976). George Ellery Hale George Ellery Hale was a solar astronomer, who was born and grew up in Chicago, Illinois [5]. He studied at MIT, Harvard and in Berlin. He is mostly known for his invention of the spectrohelioscope during his time at…
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Subrahmanyan Chandrasekhar and the Evolution of Stars

Subrahmanyan Chandrasekhar and the Evolution of Stars

Subrahmanyan Chandrasekhar (1910-1995) On October 19, 1910, Indian-American astrophysicist and Nobel Laureate Subrahmanyan Chandrasekhar was born. He won the 1983 Nobel Prize for Physics together with William Alfred Fowler for key discoveries that led to the currently accepted theory on the later evolutionary stages of massive stars. If you are a frequent reader of this blog, you might have encountered articles about scientists, artists, or explorers you might have never heard of.…
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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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