Here are details about a :
Space commemorative cover
or Space Cover.
Kosmodrom / Ort : USA
Stempeldatum: 10 Nov. 1980
Ereignisart : Tracking
Startrampe / Ort : USA Pasadena (CA)
Bemannte / Robotische Mission : Robotisch
Missionsziel/-typ : Tiefer Weltraum
ou?/where?: au sol - ground
autographe?: non - noneBeschreibung : Pasadena post stamp and Tethys photos.
Tethys is heavily cratered and cut by a number of large faults/graben. The largest impact crater, Odysseus, is about 400 km in diameter, whereas the largest graben, Ithaca Chasma, is about 100 km wide and more than 2000 km long. These two largest surface features may be related. A small part of the surface is covered by smooth plains that may be cryovolcanic in origin. Like all other regular moons of Saturn, Tethys formed from the Saturnian sub-nebula-a disk of gas and dust that surrounded Saturn soon after its formation. Schlüsselwort/-wörter :
#NASA,
#Planet,
#Sonde,
#Tiefer Weltraum, Ist AUSSERHALB der Weltraum-Revuen. Letzte Änderung: 23/05/2015 @ 10h52
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Seite : future · Ref: USA 1449 Weltraumereignis : VOYAGER 1 (OUTER PLANETS PROBE) · SATURN & HER MOONS
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