Revision history of "Aug 12 1977"

From The Space Library

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• (cur) (last) 00:59, 31 January 2010 RobertG (Talk | contribs) (9,098 bytes) (New page: NASA launched the first high-energy astronomy observatory, HEAO-A, from ETR on an Atlas Centaur at 2:29am EDT into a near circular orbit with 456.3km apogee, 431.4km perigee, 93.5min perio...)

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