Tag: planets | History.info

2006: Pluto Removed from the List of Planets

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|Date: August 24, 2019
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2006: Pluto Removed from the List of Planets

On this day in 2006, the International Astronomical Union (IAU) decided to exclude Pluto from the list of ...

On this day in 2006, the International Astronomical Union (IAU) decided to exclude Pluto from the list of planets. Therefore, it became a so-called dwarf planet. That was a highly controversial decisi ...

August 24, 2019
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1990: The First Interplanetary Probe Launched from a Space Shuttle Reaches Venus

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|Date: August 10, 2019
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1990: The First Interplanetary Probe Launched from a Space Shuttle Reaches Venus

On this day in 1990 the Magellan space probe entered into orbit around the planet Venus. It is interestin ...

On this day in 1990 the Magellan space probe entered into orbit around the planet Venus. It is interesting that the Magellan probe was the first interplanetary probe in history which was launched usin ...

August 10, 2019
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2005: The Discovery of “New Planets” more Distant than Pluto Announced

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|Date: July 29, 2019
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2005: The Discovery of “New Planets” more Distant than Pluto Announced

On this day in 2005 the discovery of celestial bodies called Eris and Makemake was announced. These bodie ...

On this day in 2005 the discovery of celestial bodies called Eris and Makemake was announced. These bodies are located beyond Pluto, which was at that time considered to be the outermost planet of the ...

July 29, 2019
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1965: Space Probe Captured the First Close Up Images of Another Planet

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|Date: July 14, 2019
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1965: Space Probe Captured the First Close Up Images of Another Planet

On this day in 1965 the Mariner 4 space probe made the first flyby of the planet Mars and took close up p ...

On this day in 1965 the Mariner 4 space probe made the first flyby of the planet Mars and took close up photographs of the planet that were then sent to Earth. It was the first time in history that a ...

July 14, 2019
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2002: Asteroid Misses the Earth by only 120,000 Kilometers

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|Date: June 14, 2019
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2002: Asteroid Misses the Earth by only 120,000 Kilometers

On this day in 2002, an asteroid came very close to the Earth, which was a quite dangerous situation. The ...

On this day in 2002, an asteroid came very close to the Earth, which was a quite dangerous situation. The asteroid, which weighed 540,000 tons, missed the Earth by only 120,000 kilometers. Previously, ...

June 14, 2019
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1995: Discovery of Bellerophon, the First Planet that Orbits a Star similar to our Sun

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|Date: October 06, 2018
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1995: Discovery of Bellerophon, the First Planet that Orbits a Star similar to our Sun

On this day in 1995, the first planet outside our solar system that orbits a star similar to our Sun was ...

On this day in 1995, the first planet outside our solar system that orbits a star similar to our Sun was discovered. The star in question is 51 Pegasi, which is located some 50.9 light years away from ...

October 06, 2018
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1006: Brightest Supernova in Recorded Human History

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|Date: April 30, 2015
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1006: Brightest Supernova in Recorded Human History

On this day back in 1006, therefore in the early Middle Ages, the brightest supernova in recorded human h ...

On this day back in 1006, therefore in the early Middle Ages, the brightest supernova in recorded human history exploded in the sky. It was an explosion of a star about 7,200 light years away from Ear ...

April 30, 2015
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