!["Coupling" 1976 [Gum-bichromate]](http://2.bp.blogspot.com/_IoU3bEFUwWc/S69lnr9G6AI/AAAAAAAAH58/O40Gg-G6rKk/S150/COUPLING+3.jpg)
Cool medium of celebrating astronomy over the years of philatelic commemoratives.
ASTRONOMY AND COSMOLOGY IN STAMPS
British astronomy on stamps of other nations
International Year of Astronomy 2009 at Stockholm University
Space and Astronomy Stamps World Wide Virtual Stamp Album
USSR (Soviet Union) and Russia Postage - Stamps
1918 - 2000
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