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Galaxy magnetic field
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Cosmology News
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4
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5377
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U.S. astronomers using the world's largest fully steerable radio telescope have obtained the first direct measurement of a nascent galaxy's magnetic field. Astronomers led by Professor Arthur Wolfe of the University of California-San Diego said the measurement of the magnetic field was as it a...
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Intergalactic magnetic fields
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Cosmology News
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2
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1724
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Title: Evidence for Gamma-Ray Halos Around Active Galactic Nuclei and the First Measurement of Intergalactic Magnetic Fields Authors: Shin'ichiro Ando (Caltech), Alexander Kusenko (UCLA/Tokyo) (Version v2) Intergalactic magnetic fields (IGMF) can cause the appearance of halos around the...
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Stellar magnetic fields
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Stars/galaxy News
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1
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1545
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Title: Toroidal vs. poloidal magnetic fields in Sun-like stars: a rotation threshold Authors: P. Petit, B. Dintrans, S.K. Solanki, J.-F. Donati, M. Auriere, F. Lignieres, J. Morin, F. Paletou, J. Ramirez, C. Catala, R. Fares (Version v2) From a set of stellar spectropolarimetric observations,...
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Large-scale magnetic fields
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Cosmology News
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0
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1427
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Title: Magnetogenesis from Cosmic String Loops Authors: Diana Battefeld, Thorsten Battefeld, Daniel H. Wesley, Mark Wyman (Version v2) Large-scale coherent magnetic fields are observed in galaxies and clusters, but their ultimate origin remains a mystery. We reconsider the prospects for pr...
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Milky Way magnetic field
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Stars/galaxy News
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0
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1856
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Map of Milky Way's magnetic fields charted In a new study, an international team of scientists pooled their radio observations into a database to produce the highest precision map to date of the magnetic field within our own Milky Way galaxy. Researchers at the Naval Research Laboratory, led by the...
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Magnetism
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Physics News
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2
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3326
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Magnetism observed in a gas for the first time For the first time, MIT scientists have observed ferromagnetic behavior in an atomic gas, addressing a decades-old question of whether it is possible for a gas to show properties similar to a magnet made of iron or nickel. The MIT team observed the behavi...
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Monopole
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Cosmology News
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13
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15795
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Title: A monopole near a black hole Authors: Claudio Bunster and Marc Henneaux A striking property of an electric charge near a magnetic pole is that the system possesses angular momentum even when both the electric and the magnetic charges are at rest. The angular momentum is proportional to the pr...
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Magnetic fields
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Physics News
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1
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1524
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Scientists from the universities of Kiel and Düsseldorf (both Germany) have developed a method to simulate gigantic magnetic fields that normally occur on neutron stars only. The physicists Professor Hartmut Löwen (Heinrich-Heine-Universität Düsseldorf) and Professor Michael Bonitz (Kie...
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Magnetic reconnection
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Videos
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2
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2158
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Magnetic Reconnection Click to Play | View Details Magnetic reconnection plays a key role in various astrophysical phenomena. It is related to star formation, solar explosions and the entry of solar wind energy into the near-Earth environment. During the process, magnetic field lines from diff...
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magnetic moment
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Physics News
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3
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2623
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Title: Observation of Spin Flips with a Single Trapped Proton Authors: S. Ulmer (1,2 and 3), C.C. Rodegheri (1 and 2), K. Blaum (1 and 3), H. Kracke (2 and 4), A. Mooser (2 and 4), W. Quint (3 and 5), J. Walz (2 and 4) ((1) Max-Planck-Institut fuer Kernphysik, Germany, (2) Institut fuer Physik, Johannes G...
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Magnetic semiconductors
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Physics News
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0
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1552
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Teaching magnets to do more than just stick around That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and large, processing information on your c...
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Magnetic Pole
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Astronomy News
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14
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30592
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Earth's north magnetic pole is drifting away from North America and toward Siberia .
After some 400 years of relative stability, Earth's North Magnetic Pole has moved nearly 1,100 kilometres out into the Arctic Ocean during the last century.
The shift could mean auroras might be more visibl...
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Magnetic shield
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Physics News
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0
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1694
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Magnetic shield for spacefarers Future astronauts could benefit from a magnetic "umbrella" that deflects harmful space radiation around their crew capsule, scientists say. The super-fast charged particles that stream away from the Sun pose a significant threat to any long-durati...
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Magnetic Mars
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Astronomy News
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1
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5334
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A new study of old rocks on Earth could force a revision of theories about Mars. The results suggest ancient Mars might have been more magnetic than thought, challenging basic assumptions about the evolution of the red planet.
Data from the Mars Global Surveyor spacecraft have revealed a pattern...
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