Europe's Galileo sat-nav system, a rival to America's GPS, took a step closer to becoming operational Tuesday with the launch of a fresh pair of satellites to join a dozen already in space.
Space Exploration
May 24, 2016
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Europe's Galileo sat-nav system, a rival to America's GPS, should move closer to operation with the launch Tuesday of a fresh pair of satellites to join a dozen already in space.
Space Exploration
May 23, 2016
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Europe's latest navigation satellites, launched last December, have been officially commissioned into the Galileo constellation, and are now broadcasting working navigation signals.
Space Exploration
Apr 29, 2016
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Saturn's beautiful rings form a striking feature, cutting across this image of two of the planet's most intriguing moons.
Space Exploration
Apr 11, 2016
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Since January, there have not been any planets to see in the evening sky. Instead, all five bright planets have been visible in the early hours before sunrise. But now Jupiter, the king of the planets, is making a return ...
Space Exploration
Mar 8, 2016
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Europe's ninth and tenth Galileo satellites have started broadcasting working navigation messages.
Space Exploration
Feb 2, 2016
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The next Galileo launch campaign has begun with the arrival of the latest pair of navigation satellites at Europe's Spaceport in French Guiana.
Space Exploration
Nov 3, 2015
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In 1610, Galileo Galilei looked up at the night sky through a telescope of his own design. Spotting Jupiter, he noted the presence of several "luminous objects" surrounding it, which he initially took for stars. In time, ...
Space Exploration
Oct 16, 2015
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An airport apron bustles with traffic. The tow tractors, tankers and buses moving busily around an aircraft run the risk of colliding. An enhanced positioning system will increase safety and the efficiency of logistical operations ...
Engineering
Oct 1, 2015
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Jupiter was appropriately named by the Romans, who chose to name it after the king of the gods. In addition to being the largest planet in our Solar System – with two and a half times the mass of all the other planets combined ...
Space Exploration
Sep 15, 2015
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