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van allen belt

 

Definitions from WordNet

Noun van allen belt has 1 sense
  1. Van Allen belt - a belt of charged particles (resulting from cosmic rays) above the Earth trapped by the Earth's magnetic field
    --1 is a kind of
    belt
    --1 is a part of Earth, world, globe

Definitions from the Web

Van Allen Belt

Definition:

The Van Allen Belt refers to two regions of intense radiation surrounding the Earth, held in place by the planet's magnetic field. These belts are composed mostly of energetic charged particles, primarily protons and electrons, trapped by the Earth's magnetic field.

Parts of Speech:

  • Noun

Senses:

Sense 1:

The encompassing region of charged particles around the Earth, divided into two main belts: the inner belt and the outer belt.

Example Sentences:
  • The spacecraft had to pass through the Van Allen Belt to reach its destination.
  • Astronauts need to be protected from the intense radiation of the Van Allen Belt during spacewalks.

Sense 2:

The inner belt of the Van Allen Belt, which contains high-energy protons and electrons trapped by the Earth's magnetic field at altitudes between 1,000 and 5,000 kilometers.

Example Sentences:
  • Studies are being conducted to understand the behavior of particles in the inner Van Allen Belt.
  • Scientific missions have provided valuable data on the composition of the inner Van Allen Belt.

Sense 3:

The outer belt of the Van Allen Belt, which consists mainly of high-energy electrons trapped by the Earth's magnetic field at altitudes of 10,000 to 60,000 kilometers.

Example Sentences:
  • Spacecraft operating in the outer Van Allen Belt region are prone to increased wear due to radiation damage.
  • The outer Van Allen Belt plays a crucial role in phenomena such as the auroras and magnetic storms.

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