Here are details about a : Space commemorative cover or Space Cover.

Kosmodrom / Plats : USA
Stämpeldatum: 5 Fév. 1974 Händelsetyp : Uppskjutning Startplatta / Plats : USA KSC (FL) Bemannad / Robotisk Mission : Robotisk Uppdragsmål/Typ : Venus
ou?/where?: au sol - ground
autographe?: non - noneBeskrivning : 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. Nyckelord : #Planet, #Solen, #Sond, #Venus och sonder, Är UTANFÖR Rymdrevyerna. Senast ändrad: 07/04/2015 @ 16h15
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SE ÄVEN  |
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USA 672 | 17,- |
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USA 653
| 19,- |
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USA 673
| 17,- |
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USA 683
| 17,- |
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USA 682
| 17,- |
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USA 706
| 17,- |
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USA 731 A
| 16,- |
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USA 731
| 16,- |
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Woo 265
| 8,- |
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USA 734
| 8,- |
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USA 734 A
| 8,- |
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Sida : future · Ref: USA 672 Rymdhändelse : MARINER 10 (VENUSIAN PROBE) · FLYBYS OF VENUS & MERCURY
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