astronomy

The Universe goes beyond the Milky Way – Edwin Hubble contributions to Astronomy

The Universe goes beyond the Milky Way – Edwin Hubble contributions to Astronomy

Hubble Space TelescopeImage by NASA On November 20, 1889, American astronomer Edwin Hubble was born. He is best known for his role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century. Although Edwin Hubble earned pretty good grades in school, he used to be more of a sportsman than a scientist. In 1907, he even led the University…
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Carl Sagan’s Cosmos

Carl Sagan’s Cosmos

On November 9, 1934, American astronomer, astrophysicist, cosmologist, and successful author Carl Sagan was born. Carl Sagan is known for his popular science books and for the award-winning 1980 television series Cosmos: A Personal Voyage, which he narrated and co-wrote. Carl Sagan grew up in Brooklyn, New York and received his education in mainly public schools. Even though his parents were no scientists, they have influenced his later career dramatically. Taking him…
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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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