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Walter Schirra – the only Man to fly Mercury, Gemini and Apollo

Walter Schirra – the only Man to fly Mercury, Gemini and Apollo

Tabea Tietz
On March 12, 1923, American naval officer and aviator, aeronautical engineer, test pilot, and astronaut Walter Marty “Wally” Schirra was born. Schirra was one of the original seven astronauts chosen for Project Mercury, United States first effort to put humans in space. He flew the six-orbit, nine-hour Mercury-Atlas 8 mission on October 3, 1962, becoming the fifth American, and the ninth human, to ride a rocket into space. He was the only astronaut…
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astronomy
Pierre Gassendi and his Trials to reconcile Epicurean Atomism with Christianity

Pierre Gassendi and his Trials to reconcile Epicurean Atomism with Christianity

Harald Sack
You have read the title? I guess, you might be scared now, but Pierre Gassendi was a decent fellow… On January 22, 1592, French philosopher, priest, scientist, astronomer, and mathematician. Pierre Gassendi was born. Gassendi revived Epicureanism as a substitute for Aristotelianism, attempting in the process to reconcile Atomism‘s mechanistic explanation of nature with Christian belief in immortality, free will, an infinite God, and creation.He clashed with his contemporary Descartes on the possibility…
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astronomy
Urbain Le Verrier and the hypothetical Planet Vulcan

Urbain Le Verrier and the hypothetical Planet Vulcan

Tabea Tietz
On 2 January 1860, French astronomer Urbain Le Verrier announced the discovery of Vulcan, a hypothetical planet inside the Mercury orbit, to a meeting of the Académie des Sciences in Paris. Despite the lack of any reliable observation, Le Verrier really was convinced until his death that he had discovered a new planet. It was Einstein’s special theory of relativity and a completely new understanding of the laws of gravity that modified the predicted…
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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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space
John Glenn – The First American to orbit the Earth

John Glenn – The First American to orbit the Earth

Harald Sack
On July 18, 1921, U.S. astronaut and statesman John Herschel Glenn Jr. was born. In 1962 Glenn was the first American to orbit the Earth, circling it three times. Before joining NASA, Glenn was a distinguished fighter pilot in World War II and Korea. In 1998, still a sitting senator, Glenn was the oldest person to fly in space as a crew member of the Discovery space shuttle and the only person…
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