ESA Science & Technology - News Archive
This weekend sees the 40th anniversary of the launch of COS-B, the first satellite to be launched under the banner of the newly created European Space Agency, on 9 August 1975.
Published: 7 August 2015
On 9 August 1975 ESA's first scientific satellite, Cos-B, was launched. Cos-B was ESA's first foray into producing a spacecraft with a single payload: a high-energy gamma-ray telescope. The mission was a remarkable success and returned the first detailed observations of gamma-ray emission from within our galaxy.
Published: 17 August 2005