#ESA’s ‘first’ satellite: COS-B
“#ESA’s ‘first’ satellite: COS-B” COS-B was launched by NASA on behalf of ESA on a Thor Delta 2913 launch vehicle from the Western Test Range, California, on 9 August 1975. Credit: NASA/USAF This weekend sees the 45th anniversary of the launch of Cos-B, the first satellite to be launched under the banner of the newly…