astronomy

Eris – The Planet of Discord

Eris – The Planet of Discord

On October 21, 2003, a photograph of the nocturnal sky was taken, where almost 2 years later, in January 2005, evidence was raised that there might be a 10th planet at the borders of our solar system: Eris, located in the Kuiper Belt and named after the Greek godess of discord. And discord it should be, because Eris as a planet is rather small and astronomers were arguing, whether it is a…
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Much More Powerful Than Expected – Kepler’s Supernova

Much More Powerful Than Expected – Kepler’s Supernova

X-ray, Optical and Infrared Composite of Kepler’s Supernova Remnant On October 17, 1604, the famous German astronomer Johannes Kepler started his observations of the 1604 supernova, named after him as Kepler’s Supernova or Kepler’s Star. Special about this ‘new’ star was it being the very last observed supernova in our own galaxy, the milkyway. The supernova was first observed on October 9, 1604, a few days before Kepler really looked at it.…
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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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Shoemaker-Levy 9 hits Jupiter

Shoemaker-Levy 9 hits Jupiter

On July 22, 1994, the last parts of the comet Shoemaker-Levy 9 collided with the largest planet within our solar system, Jupiter. This was the first time, that an extraterrestrial collision of two objects could be directly observed. Comet Shoemaker-Levy 9 approaching Jupiter Shoemaker-Levy 9 got its name from the US-American scientists Eugene Shoemaker, his wive Carolyn, and David Levy, it was the 9th periodic comet to be discovered. The first prediction…
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To Boldly Go Where No Man Has Gone Before – Voyager 2

To Boldly Go Where No Man Has Gone Before – Voyager 2

Jupiter with the great red spot shot from Voyager 1© NASA/CalTech/JPL On July 9, 1979 the interplanetary spacecraft Voyager 2 passed Jupiter, the largest planet in the Solar System. 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 commands and transmits data…
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The Supernova of 1054

The Supernova of 1054

  On July 4, 1054, Chinese astronomers observed a new star in the constellation of Taurus, which later turned out to be a supernova. China was able to contribute to the developments in the science of astronomy critically. In their philosophy, the harmony between earth, the sky and humankind were essential, and therefore any disturbance to that balance had to be predicted. This believe caused the astronomers of the historical China a great…
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