News tagged with planetary magnetic fields
Researchers determined huge pressures that melt diamond on planet Neptune
Feb 18, 2009 |
4.6 / 5 (15) |
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(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 ...
Search results for planetary magnetic fields
With stimulus aid, scientists hope to mimic nature's dynamos
Space & Earth / Earth Sciences
Oct 09, 2009 |
4.5 / 5 (4) |
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(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 ...
Magnetic fields play larger role in star formation than previously thought
Sep 09, 2009 |
4.4 / 5 (14) |
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The simple picture of star formation calls for giant clouds of gas and dust to collapse inward due to gravity, growing denser and hotter until igniting nuclear fusion. In reality, forces other than gravity also influence ...
Ancient rock's magnetic field shows that moon once had a dynamo in its core
Space & Earth / Space Exploration
Jan 15, 2009 |
4.9 / 5 (11) |
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(PhysOrg.com) -- The collection of rocks that the Apollo astronauts brought back from the moon carried with it a riddle that has puzzled scientists since the early 1970s: What produced the magnetization found ...
Magnetic fields record the early histories of planets
Oct 30, 2008 |
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(PhysOrg.com) -- Meteorites that are among the oldest rocks ever found have provided new clues about the conditions that existed at the beginning of the solar system, solving a longstanding mystery and overturning ...
Magnetic Tornadoes Could Liberate Mercury's Tenuous Atmosphere
Space & Earth / Space Exploration
Jun 02, 2009 |
4.2 / 5 (6) |
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(PhysOrg.com) -- As the closest planet to the sun, Mercury is scorching hot, with daytime temperatures of more than 800 degrees Fahrenheit (approximately 450 degrees Celsius). It is also the smallest rocky ...
Mars and Venus are surprisingly similar
Space & Earth / Space Exploration
Mar 05, 2008 |
4.2 / 5 (26) |
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Using two ESA spacecraft, planetary scientists are watching the atmospheres of Mars and Venus being stripped away into space. The simultaneous observations by Mars Express and Venus Express give scientists ...
Tiny nano-electromagnets turn a cloak of invisibility into a possibility
Dec 22, 2009 |
4.6 / 5 (11) |
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A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.
Spanish scientists bring us closer to making the dream of invisibility true
Jul 07, 2009 |
4.2 / 5 (6) |
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A group of researchers from the Department of Physics at UAB (Universitat Autonoma de Barcelona, Spain) have designed a device, called a dc metamaterial, which makes objects invisible under certain light - ...
Researchers create 'synthetic magnetic fields' for neutral atoms
Dec 02, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Upping the power triggers an ordered helical plasma
Nov 02, 2009 |
4.9 / 5 (7) |
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If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
List of search results for planetary magnetic fields
