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The Eagle has Landed – The First Man on the Moon

The Eagle has Landed – The First Man on the Moon

Harald Sack
On July 20, 1969 (for Western Europeans it was one day later, i.e. July 21, 3:56 MEZ) United States‘ space mission Apollo 11 reached the moon with the lunar module Eagle and the two astronauts Neil Armstrong [2] and Edwin “Buzz” Aldrin about 76 hours after they left earth from Kennedy Space Center in Florida., while Michael Collins stayed in orbit around the Moon piloting the command module.[4] “Houston, Tranquility Base here. The Eagle has landed.” (Neil Armstrong)…
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astronomy
The Supernova of 1054

The Supernova of 1054

Harald Sack
On July 4, 1054, Chinese astronomers observed a new star in the constellation of Taurus, which later turned out to be a supernova. However, even before the Chinese, on 11 April 1054, a monk in Flanders noticed a “bright disc in the afternoon“. This was the first traditional observation of a supernova explosion. “First year of the Zhihe era, fifth lunar month, ji-chou day. A guest star has appeared to the south-east of…
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history
Houston, we have a Problem

Houston, we have a Problem

Tabea Tietz
On April 11, 1970, at 13:13 CST Apollo 13 was launched from the Kennedy Space Center, Florida, but the lunar landing was aborted after an oxygen tank exploded two days later, crippling the service module upon which the Command Module depended. Despite great hardship caused by limited power, loss of cabin heat, shortage of potable water, and the critical need to jury-rig the carbon dioxide removal system, the crew returned safely to…
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astronomy
Christiaan Huygens and the Discovery of Saturn Moon Titan

Christiaan Huygens and the Discovery of Saturn Moon Titan

Tabea Tietz
On March 25, 1655, Saturn‘s largest moon Titan was discovered by astronomer and physicist Christiaan Huygens. Titan is considered as the most Earth-like moon discovered so far and the second largest in the solar system. Christian Huygens’ Background Christiaan Huygens was born into an influential family and provided with a decent education all his life, leaning several foreign languages mathematics, logic, and rhetorics. His father was friends with Galileo Galilei and René…
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astronomy
Mariner 10 and the Swing-By at Planet Venus

Mariner 10 and the Swing-By at Planet Venus

Harald Sack
On February 5, 1974, space probe Mariner 10 passed by at planet Venus shooting 4,165 high resolution pictures and continued its journey to Mercury, using the slingshot maneuver. The Mariner Program Mariner 10 was the last of NASA‘s Mariner program and executed to measure the environment of Mercury as well as its surface and its atmosphere. The spacecraft was the second of all time to perform the gravitational slingshot maneuver, using Venus to…
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astronomy
The Discovery of the Four Galilean Moons

The Discovery of the Four Galilean Moons

Harald Sack
On January 7, 1610, physicist and astronomer Galileo Galilei turned his new telescope to the nocturnal sky to watch the planet Jupiter and discovered the eponymous four moons of Jupiter, Ganimede, Callisto, Io, and Europa although he is not able to distinguish the last two until the following day.[1,2] The Telescope Based only on uncertain descriptions of the first practical telescope which the Dutch lens maker Hans Lippershey [3] tried to patent in the Netherlands…
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astronomy
In Search for Exoplanets with the CoRoT Space Observatory

In Search for Exoplanets with the CoRoT Space Observatory

Tabea Tietz
On December 27, 2006, the European space observatory CoRoT was launched. CoRoT‘s two objectives are to search for extrasolar planets with short orbital periods, particularly those of large terrestrial size, and to perform asteroseismology by measuring solar-like oscillations in stars. CoRoT stands for COnvection ROtation and planetary Transits (French: COnvection ROtation et Transits planétaires) and is a space observatory mission led by the French Space Agency (CNES) in conjunction with the European…
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space
Neil Armstrong – the First Man of the Moon

Neil Armstrong – the First Man of the Moon

Harald Sack
On August 5, 1930, American astronaut Neil Alden Armstrong was born, the first person to walk on the Moon. He was also an aerospace engineer, naval aviator, test pilot, and university professor. Armstrong was mission commander of the Apollo 11 Moon landing, in July 1969.[4] Armstrong’s Youth and Education Neil Armstrong was born in Auglaize County, near Wapakoneta, Ohio to Stephen Koenig Armstrong, an an auditor for the Ohio state government and…
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