Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: April 20, 2004
Event Type : F.D.C.
Launch Pad / Location : USA Vandenberg SFB (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : Numbered FDC. The spaceflight phase lasted until 2005; its aim was to measure spacetime curvature near Earth, and thereby the stress–energy tensor (which is related to the distribution and the motion of matter in space) in and near Earth. This provided a test of general relativity, gravitomagnetism and related models. The principal investigator was Francis Everitt.
Vandenberg post stamp and Gravity Probe B sonde. Keyword(s) :
#Celebrity,
#Einstein,
#Planet,
#Rocket,
#Satellite,
#Scientist, SPACE REVUE : 09 - 2004 Last modified: 09/22/2015 @ 11h57
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