Definitions for van allen radiation belt
van allen ra·di·a·tion belt

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1. Van Allen radiation beltnoun

   Either of two torus-shaped areas of high-energy charged particles which partly surround Earth, trapped by its magnetic field. The areas are characterised by intense radiation. When the belts "overload", particles strike the upper atmosphere and fluoresce, causing the polar aurora.

2. Van Allen radiation beltnoun

   Any of similar areas around another planet.

3. Etymology: From James Alfred Van Allen, US physicist.

WikipediaRate this definition:0.0 / 0 votes

1. Van Allen radiation belt

   A Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a planet by that planet's magnetosphere. Earth has two such belts, and sometimes others may be temporarily created. The belts are named after James Van Allen, who is credited with their discovery. Earth's two main belts extend from an altitude of about 640 to 58,000 km (400 to 36,040 mi) above the surface, in which region radiation levels vary. Most of the particles that form the belts are thought to come from solar wind and other particles by cosmic rays. By trapping the solar wind, the magnetic field deflects those energetic particles and protects the atmosphere from destruction. The belts are in the inner region of Earth's magnetic field. The belts trap energetic electrons and protons. Other nuclei, such as alpha particles, are less prevalent. The belts endanger satellites, which must have their sensitive components protected with adequate shielding if they spend significant time near that zone. In 2013, the Van Allen Probes detected a transient, third radiation belt, which persisted for four weeks. Apollo Astronauts going through the Van Allen Belts received a very low and non-harmful dose of radiation.

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1. Van Allen radiation belt

   A Van Allen radiation belt is one of at least two layers of energetic charged particles around the planet Earth, held in place by its magnetic field. The belts extend from an altitude of about 1,000 to 60,000 kilometres above the surface, in which region radiation levels vary. It is thought that most of the particles that form the belts come from solar wind, and other particles by cosmic rays. The belts are named after their discoverer, James Van Allen, and are located in the inner region of the Earth's magnetosphere. The belts contain energetic electrons forming the outer belt and a combination of protons and electrons forming the inner belt. In addition, the radiation belts contain lesser amounts of other nuclei, such as alpha particles. The belts pose a hazard to satellites, which must protect their sensitive components with adequate shielding if their orbit spends significant time in the radiation belts. In 2013, a transient third radiation belt, discovered by the Van Allen Probes, was reported by NASA. The third belt was observed for four weeks until it was destroyed by a powerful interplanetary shock wave from the Sun.

How to pronounce van allen radiation belt?

1. Alex

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Numerology

1. Chaldean Numerology

   The numerical value of van allen radiation belt in Chaldean Numerology is: 6

2. Pythagorean Numerology

   The numerical value of van allen radiation belt in Pythagorean Numerology is: 4

References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/Van_Allen_Radiation_Belt
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Van_Allen_Radiation_Belt
3. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=van allen radiation belt