Talk:Explorer 20
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This article is going to need a good bit of work. Two of the references are dead links, and the article is taken almost verbatim from the NASA page referenced in the third. Gary D Robson 19:22, 9 June 2018 (UTC)
I gave a work-over, but there are a couple of sources I'd add before promoting to C or B. :) --Neopeius (talk) 23:47, 28 August 2019 (UTC)