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BellaOnline Editor Renaissance Human
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. On this day in 2016 – September 30th – ESA's Rosetta mission ended with a controlled descent to the surface of Comet Churyumov-Gerasimenko.
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On this day in 1845 – October 1st – English astronomer William Henry Mahoney Christie was born in Woolwich, London.
He served as Chief Assistant to George Biddell Airy at the Royal Observatory, Greenwich from 1870 to 1881, replacing Airy in 1881 to become the eighth Astronomer Royal of England, and remaining in office until retiring from the post in 1910.
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On this day in 1845 – October 1st – the 40-inch refracting telescope was dedicated at Yerkes Observatory in Williams Bay, Wisconsin, USA.
From 1897-1909 it was the world's largest telescope. It's still the world's largest refracting telescope, and is commonly known as the Yerkes "Great Refractor".
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BellaOnline Editor Renaissance Human
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On this day in 1958 – October 1st – NASA was founded.
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On this day in 1935 – October 3rd – Apollo 16 astronaut Charles "Charlie" Duke was born in Charlotte, North Carolina.
Duke was the Lunar Module Pilot of Apollo 16 and the tenth and youngest person to walk upon the surface of the Moon.
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. On this day in 1957 – October 4th – the Soviet Union launched Sputnik 1.Sputnik was the world's first successful artificial satellite.
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On this day in 1957 – October 4th – the Soviet Union launched Luna 3.
The spacecraft captured humanity's first-ever view of the far side of the Moon.
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On this day in 1882 – October 5th – Robert Goddard was born in Worcester, Massachusetts.
Goddard was an American engineer, professor, physicist, and inventor who is credited with creating and building the world's first liquid-fuelled rocket. Although he received little public support in his lifetime, he's now considered one of the founding fathers of modern rocketry.
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. On this day in 1923 – October 5th – Edwin Hubble discovered a Cepheid variable in M31 (the Andromeda Galaxy).Cepheid variable stars, based on the work of Henrietta Leavitt, can be used as distance indicators. Hubble was able to show that M31 was too far away to be an object in our own Galaxy.
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On this day in 1962 – October 5th – the European Southern Observatory (ESO) was founded.
It's a highly productive astronomical observatory, providing state-of-the-art research facilities to astronomers and astrophysicists of many countries.
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