NOUN
- United States physicist who discovered two belts of charged particles from the solar wind trapped by the Earth's magnetic field (born in 1914)
How To Use Van Allen In A Sentence
- They also receive small doses from the radiation that is naturally trapped around Earth in the ionosphere and the Van Allen radiation belts, particularly near the South Atlantic Anomaly.
- Sure, there are some important achievements, but also many tens of billions have been wasted on absurd military space projects or in imposing requirements on the Shuttle (such as its huge down range) for military manned polar recon missions from Vandenberg only to 15 years later realize an astronaut crossing the Van Allen radiation belts 4 times per LEO orbit (every 90 minutes) was not quite a good idea. Latest NASA Administrator Speculation - NASA Watch
- _Vanguard, Explorer, Discoverer; Pioneer III, _ which discovered the Van Allen layer in 1958, and _Pioneer IV, _ which went zooming past the Moon the following year and took up a solar orbit, and _Mariner II, _which got within twenty-one thousand miles of Venus in 1962, and _Ranger_ and _Surveyor_ and all the rest. Asimov's Science Fiction
- Fleming is trying to figure out if Van Allen had any theoretical reason to suppose the military could use the Van Allen belts to attack a hostile nation.
- Signals-and detection was getting a lot of routine stuff Van Allen count, micrometeor count, surface temperature, gravitationfield strength, radar and scanner echoes. Space Viking
- Signals-and-detection was getting a lot of routine stuff -- Van Allen count, micrometeor count, surface temperature, gravitation-field strength, radar and scanner echoes. Space Viking
- Media Mob reader Peter Van Allen writes in to point out the recurring pattern: Besides McCarthy and Irving, Kakutani has applied the "lugubrious" label to Graham Swift, Don DeLillo, Mark Helprin, J.M. Coetzee and many more. Lugubrious and Repetitive
- Though magnetospheric physicists have long puzzled over the mechanism that accelerates the particles inside Earth's cavity, recent observations suggest that the Van Allen radiation belts act as a sort of cosmic particle accelerator.
- The invisible Van Allen belts that circle Earth in a region known as the magnetosphere trap much of this radiation and serve as an umbrella that protects people in low Earth orbit or below.
- Explorer 1, the first satellite sent into orbit by the U. S. , discovered the innermost Van Allen radiation belt.
