7 1914 mount pleasant iowa u s died aug. 9 at the age of 91.
Nasa Pioneering Astrophysicist James Van Allen Dies
The james van allen lecture is presented two out of every three years to a space scientist who has made significant contributions to the field of magnetospheric science.
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James a van allen. Van allen obituary visit guest book iowa city iowa ap physicist james a. 9 2006 iowa city iowa american physicist whose discovery of the van allen radiation belts two zones of radiation encircling earth brought about new understanding of cosmic radiation and its effects on earth. Nasa is remembering pioneering astrophysicist james van allen who died aug.
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 magnetic field. Van allen a leader in space exploration who discovered the radiation belts surrounding the earth that now. The belts are named after james van allen who is credited with their discovery.
Van allen was an astrophysicist best known for his work on the physics of the magnetic field that surrounds our planet. Renowned space scientist dr. The lecture is presented during the agu fall meeting.
The van allen radiation belts were named after him following his discovery using geiger müller tube instruments on the 1958 satellites explorer 1 explorer 3 and pioneer 3 during the. James alfred van allen september 7 1914 august 9 2006 was an american space scientist at the university of iowa he was instrumental in establishing the field of magnetospheric research in space. Earth s two main belts extend from an altitude.
He was particularly interested in its interactions with the solar wind which is a stream of charged particles flowing from the sun. Van allen died this morning at the age of 91. Although he had a lifetime s worth of contributions to astronomy space science and space exploration dr.
Earth has two such belts and sometimes others may be temporarily created. Van allen attended iowa wesleyan college b s 1935 and the. James van allen was regent distinguished professor at university of iowa 1985 2006.
Van allen in full james alfred van allen born sept. His research interests included planetary magnetosphere cosmic rays the use of rockets in physical research and satellites and space probes in. Conspiracy theorists including flat earthers use it to prove the apollo moon landings were faked and never happened.
To dispel the hoax james van allen himself wrote letters clarifying the false allegation. When it slams into our atmosphere it causes a phenomenon called space weather. James van allen was one of the greatest and most accomplished american space scientists of our time and few researchers had such wide range of expertise in so many scientific disciplines said nasa administrator michael griffin.
Other institutional affiliations included johns hopkins university and carnegie institution of washington. In 1958 james van allen discovered the existence of the van allen radiation belts. It is named to honor the life and work of astrophysicist and space pioneer james a.