Thor (previously known as Marcopolo) is a family of satellites designed, launched and tested by Hughes Space and Communications (now part of Boeing Satellite Systems) for British Satellite Broadcasting (BSB), and were used for Britain's Direct Broadcast Service.
Thor (anteriormente coñecido como Marcopolo) forma parte dunha serie de satélites proxectados, lanzados e testados pola Hughes Space and Communications (agora parte da Boeing Satellite Systems) para a British Satellite Broadcasting (BSB), e estes foron usados para o servizo de transmisión satelitial para a Gran Bretaña.