News tagged with earths magnetic
The Earth's magnetic field remains a charged mystery
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.7 / 5 (26) |
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400 years of discussion and we’re still not sure what creates the Earth’s magnetic field, and thus the magnetosphere, despite the importance of the latter as the only buffer between us and deadly solar wind ...
Reversals of Earth's Magnetic Field Explained by Small Core Fluctuations
Apr 23, 2009 |
4.7 / 5 (40) |
25
(PhysOrg.com) -- Based on studies of old volcanic basalt, scientists know that the Earth’s magnetic field reverses at irregular intervals, ranging from tens of thousands to millions of years. Volcanic basalt ...
Sun Often 'Tears Out A Wall' In Earth's Solar Storm Shield
Space & Earth / Earth Sciences
Dec 16, 2008 |
4.5 / 5 (20) |
6
(PhysOrg.com) -- Earth's magnetic field, which shields our planet from particles streaming outward from the Sun, often develops two holes that allow the largest leaks, according to researchers sponsored by ...
Cluster watches Earth's leaky atmosphere
Space & Earth / Earth Sciences
Aug 28, 2008 |
4.3 / 5 (19) |
8
Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns ...
Search results for earths magnetic
China tries to calm unease over rare earths curbs
Sep 03, 2009 |
5 / 5 (1) |
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(AP) -- A Chinese official tried to calm unease about curbs on exports of rare earths used in clean energy products and superconductors, saying Thursday that sales will continue but must be limited to reduce damage to China's ...
Rare earths are vital, and China owns them all
Space & Earth / Earth Sciences
Sep 28, 2009 |
4.1 / 5 (11) |
8
Rare earths may not be on most investors' radars, but they are certainly in almost any high-tech item they use -- and in the world of rare earths, China is king.
Animal magnetism provides a sense of direction
Biology /
Feb 27, 2008 |
4 / 5 (11) |
0
They may not be on most people’s list of most attractive species, but bats definitely have animal magnetism. Researchers from the Universities of Leeds and Princeton have discovered that bats use a magnetic substance in their ...
Europium discovery: New element found to be a superconductor
May 13, 2009 |
3.5 / 5 (17) |
2
(PhysOrg.com) -- Of the 92 naturally occurring elements, add another to the list of those that are superconductors. James S. Schilling, Ph.D., professor of physics in Arts & Sciences at Washington University ...
32 New Exoplanets Found (w/ Video)
Oct 19, 2009 |
4.9 / 5 (27) |
6
(PhysOrg.com) -- Today, at an international ESO/CAUP exoplanet conference in Porto, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre ...
Magnetic Resonance Now Also Comes In Tiny Quantities
Sep 29, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- It is now possible to analyse very small samples using Nuclear Magnetic Resonance. Thanks to a specially constructed detector, a 'stripline', greater sensitivity can be achieved while maintaining the same ...
Polar Crown Prominences
Sep 18, 2008 |
4.8 / 5 (17) |
2
Warning: Material contained in this story may make you wish to become a solar physicist. Japan's Hinode spacecraft, launched in 2006 on a mission to study the sun, is beaming back movies that astonish even ...
Magnetic fields play larger role in star formation than previously thought
Sep 09, 2009 |
4.4 / 5 (14) |
12
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 ...
The discovery of new Earths is imminent, UD astronomer says
Sep 28, 2009 |
4 / 5 (16) |
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(PhysOrg.com) -- Harry Shipman, Annie Jump Cannon Professor of Physics and Astronomy at the University of Delaware, told the audience for his lecture, “Seeking New Planets,” on Saturday evening, Sept. 26, ...
With stimulus aid, scientists hope to mimic nature's dynamos
Space & Earth / Earth Sciences
Oct 09, 2009 |
4.5 / 5 (4) |
0
(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 ...
List of search results for earths magnetic
