Astronomers around the world are gearing up for three days of intense sky-watching in honour of Galileo, whose observations 400 years ago revolutionised our understanding of the cosmos.
Astronomy
Oct 22, 2009
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The launch of the first two satellites for the European Union's Galileo navigation system was postponed until Friday - adding at least one more day to years of waiting for a program promoted as the main rival to GPS to get ...
Space Exploration
Oct 20, 2011
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NASA's Juno spacecraft captured a unique time-lapse movie of the Galilean satellites in motion about Jupiter.
Space Exploration
Jul 6, 2016
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Europe was set to launch two navigation satellites Friday for its rival to America's GPS, the first additions to the Galileo constellation since a technical mishap misdirected two orbiters last year.
Space Exploration
Mar 27, 2015
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The first image of the supermassive black hole at the center of our Milky Way galaxy brings radio astronomy back to its celestial birthplace. The Event Horizon Telescope (EHT), a worldwide collection of millimeter-wave radio ...
Astronomy
May 13, 2022
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(Phys.org) —In the swirling canopy of Jupiter's atmosphere, cloudless patches are so exceptional that the big ones get the special name "hot spots." Exactly how these clearings form and why they're only found near the planet's ...
Space Exploration
Mar 14, 2013
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Galileo's first satellite is undergoing testing at ESA's technical centre in the Netherlands, checking its readiness to be launched into orbit. This marks a significant step for Europe's Galileo satnav constellation.
Space Exploration
Jan 20, 2011
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After 17 years, numerous setbacks and three times over budget, Europe's Galileo satnav system went live Thursday, promising to outperform rivals and guarantee regional self-reliance.
Space Exploration
Dec 15, 2016
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On Dec. 4, 1973, NASA's Pioneer 10 spacecraft sent back images of Jupiter of ever-increasing size. The most dramatic moment was after closest approach and after the spacecraft was hidden behind Jupiter. Here, images gradually ...
Space Exploration
Dec 5, 2013
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(PhysOrg.com) -- NASA's Galileo spacecraft began what would become a 14-year odyssey of exploration 20 years ago this Sunday, Oct. 18. Galileo was humanity's first emissary to orbit a planet in the outer solar system - Jupiter.
Space Exploration
Oct 19, 2009
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