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On this day in 1647 – January 17th – Elisabetha Hevelius (née Koopmann), the second wife of Johannes Hevelius, was born in Gdańsk, Poland.She is considered to be one of the first European female astronomers, and is often called 'The mother of Moon charts'. Elisabetha helped her husband manage his observatory, and published two of his works after his death..
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BellaOnline Editor Modern Day Human
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BellaOnline Editor Modern Day Human
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On this day in 2002 – January 18th – Gemini South Observatory was dedicated.
Gemini South in Chile and Gemini North in Hawaii, together constitute the Gemini Observatory. The twin telescopes provide almost complete coverage of the skies with two of the largest and most advanced optical/infrared telescopes available..
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BellaOnline Editor Modern Day Human
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On this day in 1747 – January 19th – Johann Bode was born in Hamburg, Germany.Bode was the director of the Berlin Observatory for nearly forty years. In 1801 he published his influential star atlas Uranographia. A keen popularizer of astronomy, he also produced a smaller atlas aimed at amateur astronomers. His name also lives on in the "Titius-Bode Law"..
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BellaOnline Editor Modern Day Human
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On this day in 1851 – January 19th – Dutch astronomer Jacobus Kapteyn was born in Barneveld, Netherlands.
Kapteyn was best known for his studies of the Milky Way. He was the first to discover evidence that galaxies rotate..
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BellaOnline Editor Modern Day Human
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On this day in 2006 – January 19th – NASA's New Horizons spacecraft was launched.
The spacecraft made a flyby of the Plutonian system in the summer of 2015, and on New Year's Day 2019, followed it up with a flyby of the Kuiper Belt object informally called Ultima Thule, but later renamed Arrokoth..
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Joined: May 2010
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BellaOnline Editor Modern Day Human
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On this day in 1573 – January 20th – German astronomer Simon Marius was born in Gunzenhausen, Germany.Marius claimed he had seen Jupiter's moons before Galileo. Galileo's documentation was more extensive and published first, so he got the credit. However, the suggestions Marius made for naming the four large moons were eventually adopted...
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On this day in 1930 – January 20th – Edwin "Buzz" Aldrin was born in Glen Ridge, New Jersey.The second man to step onto the Moon has been not only an astronaut, but also an Air Force combat pilot, aerial gunnery instructor and flight commander. His doctoral thesis at MIT was on techniques for manned orbital rendezvous...
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BellaOnline Editor Modern Day Human
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BellaOnline Editor Modern Day Human
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On this day in 2014 – January 20th – ESA's Rosetta spacecraft awoke from a deep space hibernation of over thirty months.Rosetta's historic mission saw her then catch up with a comet, go into orbit around it, put a lander on its surface, and follow the comet as it went around the Sun..
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On this day in 1908 – January 21st – Danish astronomer and astrophysicist, Bengt Strömgren, was born in Gothenburg, Sweden.
He applied quantum mechanics to understanding stars, produced pioneering work in the chemical composition of stars, and discovered vast shells of ionized hydrogen around stars, now known as Strömgren Spheres..
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On this day in 1592 – January 22nd – Pierre Gassendi was born in Champtercier, France.He was a French philosopher, priest, astronomer, and scientific observer, experimentalist and chronicler. Gassendi was also the first person ever to see a planet transiting the Sun when he observed the 1631 transit of Mercury..
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