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BellaOnline Editor Renaissance Human
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On this day in 1917 – December 16th – British author, futurist, inventor and explorer Arthur C. Clarke was born in Minehead, Somerset, England.
Clarke wrote more than 100 books, and he inspired scientists and space explorers. In honor of his work, the International Astronomical Union named the distance of 36000 km above Earth the Clarke Orbit, and in 2018 they named a mountain on Pluto's moon Charon for him..
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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On this day in 1999 – December 18th – NASA launched the Terra satellite.
Terra was the flagship of the Earth Observation System, a multinational research program to study changes in the Earth and how they could affect life on our planet. It's still operational..
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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On this day in 1904 – December 20th – The Mount Wilson Solar Observatory in Los Angeles County, California was founded.
About fifteen years later, "solar" was dropped from the name as the 100-inch Hooker telescope came into use. Observing with it, Edwin Hubble found evidence that the Milky Way was just one galaxy in an expanding Universe..
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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. On this day in 1986 – December 21st – NASA launched Apollo 8 with a crew of Frank Borman, Jim Lovell and William Anders.The Apollo 8 Moon mission was the first manned mission to leave Earth orbit and go into orbit around another celestial object.
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Joined: May 2010
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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On this day in 1998 – December 21st – Vladimir Titov and Musa Manarov returned to Earth.
The two cosmonauts had spent an entire year aboard the Soviet Mir space station..
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Joined: May 2010
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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. On this day in 2023 – December 22nd – the winter solstice occurred at 03:27 UCT (Coordinated Universal Time), i.e., Greenwich Mean Time. In North America, the solstice was on December 21st in various time zones.The winter solstice is is the shortest day of the year in the northern hemisphere, and the North Pole is at its maximum tilt away from the Sun. The southern hemisphere has its longest day and, the South Pole is at its maximum tilt towards the Sun..
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BellaOnline Editor Renaissance Human
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. On this day in 2022 – December 24th – Apollo 8 entered lunar orbit.The crew - Frank Borman, James Lovell & Wiliam Anders - were the first humans to view Earth as a whole planet, the first to orbit another world, and the first to see the far side of the Moon. They made a live Christmas Eve broadcast to the Earth as they circled the Moon..
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Joined: May 2010
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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On this day in 1758 – December 25th – German amateur astronomer Johann Georg Palitzsch became the first to view Halley's Comet on its return to the inner solar system.
The comet's return had been predicted by the English scientist and astronomer Edmond Halley, after whom it was subsequently named..
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BellaOnline Editor Renaissance Human
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. On this day in 2003 – December 25th – the European Mars Express and British Beagle 2 arrived at Mars.Beagle 2 was damaged on landing and never responded, but the orbiter Mars Express is still returning data.
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Joined: May 2010
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BellaOnline Editor Renaissance Human
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BellaOnline Editor Renaissance Human
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On this day in 2004 – December 25th – the Huygens probe separated from the Cassini spacecraft.
Huygens went on to land on Saturn's moon Titan, and Cassini studied the Saturnian system until 2017..
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