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James Van Allen (29388023195).jpg

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Professor James Van Allen of the University of Iowa designed the cosmic ray detector experiment on JPL’s Explorer satellite, launched in 1958. He was also the principal investigator for the radiation experiment that was part of the Pioneer III and IV payloads. In this photo, Dr. Van Allen is looking at the cone-shaped Pioneer probe, before it was gold plated and painted with stripes (to maintain a temperature of 10-50 degrees C during flight).

Image #: 293-4061C

Date: 1959
Source James Van Allen
Author NASA on The Commons
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(Reusing this file)		 NASA on The Commons @ Flickr Commons

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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/29388023195. It was reviewed on 15 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

15 September 2016

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Date/TimeThumbnailDimensionsUserComment
current19:39, 15 September 2016Thumbnail for version as of 19:39, 15 September 20162,920 × 2,260 (1.95 MB)wikimediacommons>Vanished Account ByeznhpyxeuztibuoTransferred from Flickr via Flickr2Commons

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