The launch of a pioneering European satellite designed to map Earth's gravity field was delayed due to technical problems and will take place Tuesday, Russia's Khrunichev Space Centre said.
Space Exploration
Mar 16, 2009
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(PhysOrg.com) -- ESA is about to launch the most sophisticated of Earth Observation satellites to investigate the Earth’s gravitational field with unprecedented resolution and accuracy.
Space Exploration
Mar 9, 2009
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(PhysOrg.com) -- Launched in September of 2007, and propelled by any one of a trio of hyper-efficient ion engines, NASA's Dawn spacecraft passed the orbit of Mars last summer. At that time, the asteroid belt (where Dawn's ...
Space Exploration
Feb 13, 2009
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Record-setting storms in 2023 filled California's major reservoirs to the brim, providing some relief in a decades-long drought, but how much of that record rain trickled underground?
Earth Sciences
May 4, 2024
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1
The general theory of relativity is based on the concept of curved space–time. To describe how the energy and momentum of fields are distributed in space–time, as well as how they interact with the gravitational field, ...
General Physics
Jan 18, 2024
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210
Landing safely on an asteroid is no mean feat. Despite several recent successes, there have also been notable failures—most famously, the Philae lander to 67P/Churyumov-Gerasimenko. Admittedly, that was an attempt to land ...
Space Exploration
Nov 8, 2023
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12
A substance called antimatter is at the heart of one of the greatest mysteries of the universe. We know that every particle has an antimatter companion that is virtually identical to itself, but with the opposite charge. ...
General Physics
Oct 1, 2023
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90
Motion of the Earth's surface mass, including the atmosphere and oceans as well as hydrology and glacier melting, causes the redistribution of Earth's surface loads, deformation of the solid Earth, and variations in the gravity ...
Planetary Sciences
Jul 24, 2023
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1
A recent study calculated new projections for mean sea level rise on the Finnish coast by 2100. In the worst-case scenario, the sea level in Helsinki would rise by more than half a meter.
Earth Sciences
May 9, 2023
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11
Researchers have discovered that in the exotic conditions of the early universe, waves of gravity may have shaken space-time so hard that they spontaneously created radiation.
Astronomy
Apr 10, 2023
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