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BellaOnline Editor Modern Day Human
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On this day in 1799 - June 18th - English merchant and astronomer William Lassell was born.
Lassell was known for his improvements to the reflecting telescope and his discoveries, e.g., two of the moons of Neptune.
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BellaOnline Editor Modern Day Human
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On this day in 2009 - June 18th - NASA's Lunar Reconnaissance Orbiter (LRO) and the Lunar Crater Observation and Sensing Satellite (LCROSS) were launched.
The LCROSS mission confirmed the presence of water in a shadowed crater on the Moon. LRO is still mapping the Moon.
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BellaOnline Editor Modern Day Human
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On this day in 2004 - June 21st - SpaceShipOne was launched.
It was the first privately-funded human space flight.
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BellaOnline Editor Modern Day Human
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On this day in 1667 - June 21st - the meridian line of the Paris Observatory was engraved.
It was decided that the observatory should be built so that the Paris meridian passed through the center of the building, dividing it into two symmetrical parts. Built by order of King Louis XIV, the Paris Observatory was the first national observatory.
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BellaOnline Editor Modern Day Human
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On this day in 1675 - June 22nd - the Royal Observatory Greenwich was founded.The Prime Meridian (0 degrees of longitude) goes through Greenwich.
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BellaOnline Editor Modern Day Human
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On this day in 1999 - June 24th - NASA's Far Ultraviolet Spectroscopic Explorer (FUSE) was launched.
Operated by the Johns Hopkins University Applied Physics Laboratory, for eight years, it detected light in a part of the electromagnetic spectrum which is mostly unobservable by other telescopes.
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On this day in 1915 - June 24th - British mathematician and astronomer Sir Fred Hoyle was born.
Hoyle was the first to formulate a theory that explained the creation of chemical elements by nuclear fusion reactions in stars.
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On this day in 1894 - June 25th - German physicist and engineer Hermann Oberth was born.
Oberth is considered one of the founding fathers of rocketry and astronautics.
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On this day in 1730 - June 26th - French astronomer Charles Messier was born.Messier discovered so many comets that King Louis XV called him a "comet ferret". Messier's name is still known for his catalogue of nebulous objects that might be taken for comets.
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BellaOnline Editor Modern Day Human
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On this day in 1914 - June 26th - American theoretical physicist and astronomer Lyman Spitzer, Jr. was born.
His major contributions to astronomy included his studies of star formation and the interstellar medium. The Spitzer Space Telescope is named in his honor.
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