Here are details about a : Space commemorative cover or Space Cover.
Cosmodrom : USA
Date of Cancellation: Feb. 5, 1974 Kind of Event : Launch Launch pad : USA KSC (FL)
habité?/manned?: robot Mission type : Venus
ou?/where?: au sol - ground
autographe?: non - noneDescription : Kennedy Space Center post stamp and Mariner 10. Closest approach being 5,768 km at 17:01 UT. Using a near-ultraviolet filter, it photographed the Cytherean chevron clouds and performed other atmospheric studies. It was discovered that extensive cloud detail could be seen through Mariner’s ultraviolet camera filters. Venus’s cloud cover is nearly featureless in visible light. Earth-based ultra-violet observation did reveal some indistinct blotching even before Mariner 10, but the detail seen by Mariner was a surprise to most researchers. Keyword(s) : #Planet, #Probe, #Sun, #Venus and probes, This is OUTSIDE of a Space Revue. Last modified: 04/07/2015 @ 16h15
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USA 672 | 17,- |
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USA 653
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USA 673
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USA 683
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USA 682
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USA 706
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USA 731 A
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USA 731
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Woo 265
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USA 734
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USA 734 A
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Page : future · Ref: USA 672 Space Event :MARINER 10 (VENUSIAN PROBE) · FLYBYS OF VENUS & MERCURY
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