C. S. DeehrCopernicus PublicationsHistory of Geo- and Space SciencesEgeland A. & Deehr C.S. 2011. Roald Amundsen's contribu- tions to our knowledge of the magnetic fields of the Earth and the Sun. History of Geo- and Space Sciences 1, 1A14....
earth's magnetic field ▾ 英语-中文正在建设中 earth'smagneticfield 地球磁场() the earth's magnetic field 地磁场() 也可见: magnetic名— 磁名 · 磁场名 · 磁性名 · 磁力名 · 磁粉名 magnetic fields复— 磁场名 field名— 场名 ·
The collapse of the Earths magnetic field-which guards the planet and guides many of its creatures-appears to have started about 150 years ago,the New York Times reported last week. The fields strength has decreased by 10 or 15 percent so far and this has increased the debate over whether ...
Variations of rainfall The definition of "Earth's magnetic field"is a geomagnetic field that starts in the core of the Earth emanates out into space forming amagnetosphere. Ageomagnetic fieldis an amalgamation of separate fields that all originate from different sources all over the Earth. The ...
The velocity and the magnetic fields within the Earth's outer core are estimated from geomagnetic field data. This is performed by prescribing the radial dependence of the poloidal velocity field, into which the energy source for the geodynamo is implicitly incorporated, and by solving the Navier...
The SGR 1806-20 magnetar signature on the Earth's magnetic field SUMMARYSGRs denote ‘soft γ-ray repeaters’, a small class of slowly spinning neutron stars with strong magnetic fields. On 2004 December 27, a giant flar... M Mandea,G Balasis - 《Geophysical Journal International》 被引量...
A. the magnetic fields of the moon can produce its electricity owing to the outside forces.B. only planets move electrically conducting fluids around themselves.C. the result of the molten liquid core leads to the magnetic field of the moonD. the moon might have had a magnetic core of ...
II. TWO of the most characteristic features of the earth's magnetism are the non-coincidence of the magnetic and geographic axis, and the secular variation. While a theory which is to claim any degree of completeness must account for these, one cannot resist the temptation of searching for ...
Satellites mapping the spatial variations of the gravitational or magnetic fields of the Earth or other planets ideally fly on polar orbits, uniformly cove... FJ Simons,FA Dahlen - International Society for Optics and Photonics 被引量: 26发表: 2007年 Harmonic Analysis of the Earth's Gravitational...
Sharks use the Earth's magnetic field (磁场) as a sort of natural GPS toDr Keller said further study was needed to find how the sharks used thenavigate(导航) journeys that take them great distances across the world'smagnetic fields to determine their location and whether larger, long-distanc...