| Bibliographic Entry | Result (w/surrounding text) |
Standardized Result |
|---|---|---|
| The Magnetic Field - A Crop Circle Under Scrutiny for Meaning. Dreams of the Great Earth Changes. 22 July 2000. | "Gradually astronomers have deduced that the Milky Way has a magnetic field of roughly five microgauss, generally directed along the galaxy's spiral arms. (By comparison, the earth's north-pointing magnetic field is about 500,000 microgauss.)" | 0.5 nT |
| Schewe, Phillip F. & Ben Stein. Magnetic Fields are Everywhere. Physics News Update The American Institute of Physics Bulletin of Physics News. Number 482 (Story #2), 3 May 2000. [alternate location] | "Basically, Philipp Kronberg (416-978-4971) of the University of Toronto finds magnetic fields every place he has looked in the cosmos: within the Milky Way (where the fields are typically about 5 microgauss), in intergalactic areas within galaxy clusters (1-2 microgauss for the Coma cluster, 350 million light years away), and even outside clusters." | 0.1–0.5 nT |
| Science and The Citizen: Magnetic Anomalies. Scientific American. August 2000. | "Gradually astronomers have deduced that the Milky Way has a magnetic field of roughly five microgauss, generally directed along the galaxy's spiral arms. (By comparison, the earth's north-pointing magnetic field is about 500,000 microgauss.)" | 0.5 nT |
| Intergalactic magnetism runs deep and wide.(Brief Article) Author/s: P. Weiss Issue: May 6, 2000 | "He finds on an average even higher field strengths, about 5[micro]G, than he did a decade ago" | 0.5 nT |
A Magnetic field is a region in a magnet, electric current, or changing electric field, in which magnetic forces are observable. Magnetic fields such as that of the Earth cause magnetic compass needles and other permanent magnets to line up in the direction of the field. Magnetic fields force that are moving are electrically charged particles in a circular or helical path.
Magnetic fields may be represented by continuous lines of force or magnetic flux that emerge from north-seeking magnetic poles and enter south-seeking magnetic poles. The density of the lines indicates the magnitude of the magnetic field. Equally spaced parallel straight lines represent a uniform magnetic field. The direction of the flux is the direction in which the north-seeking pole of a small magnet points. The lines of flux are continuous, forming closed loops.
Magnetic fields may be represented mathematically by quantities called vectors that have direction as well as magnitude. Two different vectors are in use to represent a magnetic field: one called magnetic flux density, or magnetic induction, is symbolized by B; the other, called the magnetic field strength, or magnetic field intensity, is symbolized by H.
Svetlana Lozover -- 2001