News tagged with planetary magnetic fields
The origin of the moon's craters
(PhysOrg.com) -- Moon's craters, together with samples of the surface returned during the Apollo program, tell the story of impacts from two different populations of small bodies. The first rocky collection ...
Space & Earth / Space Exploration
Mar 19, 2012 |
4 / 5 (2) |
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Stellar winds
(PhysOrg.com) -- The Sun, glowing with a surface temperature of about 5500 degrees Celsius, warms the Earth with its salutary light. Meanwhile the Sun's hot outer layer (the corona), with its temperature of ...
Oct 10, 2011 |
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Clocking Neptune's spin
(PhysOrg.com) -- By tracking atmospheric features on Neptune, a UA planetary scientist has accurately determined the planet's rotation, a feat that had not been previously achieved for any of the gas planets ...
Jun 29, 2011 |
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How much do binary stars shape planetary nebulae?
Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...
Jun 16, 2011 |
4.5 / 5 (2) |
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First measurement of magnetic field in Earth's core
(PhysOrg.com) -- A University of California, Berkeley, geophysicist has made the first-ever measurement of the strength of the magnetic field inside Earth's core, 1,800 miles underground.
Space & Earth / Earth Sciences
Dec 16, 2010 |
4.9 / 5 (19) |
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With stimulus aid, scientists hope to mimic nature's dynamos
(PhysOrg.com) -- In the cosmos, all celestial objects - planets, stars, galaxies and clusters of galaxies - have magnetic fields. On Earth, the magnetic field of our home planet is most easily observed in a compass where ...
Space & Earth / Earth Sciences
Oct 09, 2009 |
4.5 / 5 (4) |
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Researchers determined huge pressures that melt diamond on planet Neptune
(PhysOrg.com) -- The enormous pressures needed to melt diamond to slush and then to a completely liquid state have been determined ten times more accurately by Sandia National Laboratories researchers than ...
Feb 18, 2009 |
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