Europe's Galileo satellite navigation system – already serving users globally – has now provided a historic service to the physics community worldwide, enabling the most accurate measurement ever made of how shifts in ...
General Physics
Dec 5, 2018
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(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has a temperature ...
Astronomy
May 10, 2012
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A new analysis of data from NASA's Galileo spacecraft has revealed that beneath the surface of Jupiter's volcanic moon Io is an "ocean" of molten or partially molten magma.
Space Exploration
May 12, 2011
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NASA's Juno spacecraft has provided the first close-ups of Jupiter's largest moon in two decades.
Space Exploration
Jun 9, 2021
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(Phys.org) —Scientists, including Brown University geologists and students, have completed the first global geological map of Ganymede, Jupiter's largest moon and the largest in the solar system.
Space Exploration
Feb 12, 2014
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(Phys.org) —A new paper led by a NASA researcher shows that hydrogen peroxide is abundant across much of the surface of Jupiter's moon Europa. The authors argue that if the peroxide on the surface of Europa mixes into the ...
Space Exploration
Apr 5, 2013
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A Russian rocket launched the first two satellites of the European Union's Galileo navigation system Friday after years of waiting for the start of the program billed as the main rival to the ubiquitous American GPS network.
Space Exploration
Oct 21, 2011
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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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Europe stood by its much-delayed and over-budget Galileo satellite navigation system on Tuesday despite a rising price tag and a contractor's description of the project as "stupid."
Space Exploration
Jan 18, 2011
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China launched an orbiter into space early Sunday, the latest stage in the development of its own satellite navigation system, state media said.
Space Exploration
Jan 17, 2010
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