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#OTD 30 years ago: 6 October 1990, the joint ESA/NASA #Ulysses spacecraft was launched by the Shuttle #Discovery from @NASAKennedy. Ulysses was the first mission to study the environment above and below the poles of the Sun 👉 esa.int/Our_Activities… @esascience @NASAhistory 
During its 17.5 years in space, ESA/NASA #Ulysses rewarded scientists with the unprecedented depth and breadth of its results, not just about the Sun and its influence, but also with surprising insights into the nature of our galaxy and the Universe 👉 esa.int/Science_Explor…
ESA/NASA #Ulysses was designed to last for five years but the mission was extended four times, allowing Ulysses to pass over the Sun's poles for a second and third time, and spending more than 17 years in space.
