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	Re: 2018: On this day . . . Mona - Astronomy #928791 07/07/18 09:49 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1687 - January 31st - July 5th - Edmond Halley published the Principia of Isaac Newton. Philosophiæ Naturalis Principia Mathematica (Latin for 'Mathematical Principles of Natural Philosophy') states Newton's laws of motion and of universal gravitation. It's regarded as one of the most important works in the history of science.

	Re: 2018: On this day . . . Mona - Astronomy #928801 07/08/18 02:14 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 2003 - July 7th - NASA's Mars rover Opportunity was launched for a three-month mission. The rover is still at work on the Red Planet.

	Re: 2018: On this day . . . Mona - Astronomy #928843 07/10/18 04:33 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 2011 - July 8th - STS-135 Atlantis was launched, the final shuttle mission. By the end of the final mission, Atlantis had orbited the Earth a total of 4,848 times, traveling nearly 126,000,000 mi (203,000,000 km) or more than 525 times the distance from the Earth to the Moon.

	Re: 2018: On this day . . . Mona - Astronomy #928844 07/10/18 04:35 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1962 - July 10th - Telstar 1 was launched. It was the beginning of a revolution in communications around the world.

	Re: 2018: On this day . . . Mona - Astronomy #928891 07/11/18 07:03 PM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1992 - July 10th - ESA's Giotto spacecraft flew past comet Grigg-Skjellerup. Having successfully returned images and data from Halley's Comet in 1986, the flyby of Grigg-Skjellerup was the completion of Giotto's mission.

	Re: 2018: On this day . . . Mona - Astronomy #928893 07/12/18 03:48 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1979 - July 11th - NASA's Skylab re-entered the atmosphere. Skylab had orbited for seven years and provided valuable data for human space flight.

	Re: 2018: On this day . . . Mona - Astronomy #928907 07/12/18 02:18 PM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1732 - July 11th - French astronomer Jérôme Lalande was born. He held the chair of astronomy in the Collège de France in for nearly half a century and a number of his pupils became distinguished astronomers. As well as being an observer, Lalande also gave popular lectures and wrote about astronomy.

	Re: 2018: On this day . . . Mona - Astronomy #928940 07/14/18 05:05 AM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 2000 - July 12th - the Zvezda Service Module was launched to ISS. It was the third module launched to the station, and provides all of the station's life support systems, as well as living quarters for two crew members. It is the structural and functional center of the Russian Orbital Segment.

	Re: 2018: On this day . . . Mona - Astronomy #928949 07/14/18 03:29 PM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 2015 – July 14th – NASA's New Horizons mission made a historic fly-by of Pluto and its moons.

	Re: 2018: On this day . . . Mona - Astronomy #928950 07/14/18 03:29 PM Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom Mona - Astronomy OP BellaOnline Editor Renaissance Human OP Mona - Astronomy BellaOnline Editor Renaissance Human Joined: May 2010 Posts: 11,948 Likes: 30 United Kingdom On this day in 1965 - July 15th - Mariner 4 performed the first successful flyby of the planet Mars. The probe returned the first ever pictures of the Martian surface from space.