James Alfred Van Allen
/van ˈalən
/ (1914–2006), American physicist. He used balloons and rockets to study cosmic radiation in the upper atmosphere, showing that specific zones of high radiation were the result of charged particles from the solar wind being trapped in two belts around the earth.
- double entendre
- double-entry
- double exposure
- double-faced
- double fault
- double feature
- double figures
- double first
- double flat
- double-fronted
- double fugue
- double-glaze
- double glazing
- Double Gloucester
- double-handed
- double harness
- double-headed
- double-header
- double helix
- double-hung
- double indemnity
- double jeopardy
- double-jointed
- double-jointedness
- double-knit