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Van Allen

American  
[van al-uhn] / væn ˈæl ən /

noun

  1. James Alfred, 1914–2006, U.S. physicist and space scientist.


Van Allen British  
/ væn ˈælən /

noun

  1. James Alfred. 1914–2006, US physicist, noted for his use of satellites to investigate cosmic radiation in the upper atmosphere

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The astronauts will pass through a region of space known as the Van Allen belt, which has high levels of radiation, but the crew will be protected by the spacecraft and their newly upgraded spacesuits.

From BBC

The research focused on two bands of energetic particles in near earth space, referred to as the Radiation Belts, or the Van Allen Belts.

From Science Daily

Scientist James A. Van Allen stated in a January 1986 article in Scientific American, “Most national goals in space are better realized by robot spacecraft.”

From Washington Post

They repeatedly attacked the credibility of the government’s main witnesses, noting that most testified with immunity, including Jane, her mom and Van Allen.

From Seattle Times

He also made the first radio map of the Milky Way’s center, and co-discovered regions of seething radiation around Jupiter analogous to Earth’s Van Allen belts.

From Scientific American