9 September
1789: On 9 September 1789, William Cranch Bond was born.Bond was an American astronomer who, with his son George Phillips Bond, discovered Hyperion - the eighth satellite of Saturn. He ...
27 FEB. 2004
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1857: On 10 September 1857, James Edward Keeler was born.
Keeler was an American astronomer. He verified Maxwell's prediction that Saturn's ring system is not solid, but is a vast swarm of tiny particles. He carried out important spectroscopic work on 120 000 nebulae. With George E. Hale, he co-founded the Astrophysical Journal in 1895.
Mediemodal
8 September
1967: On On 8 September 1967, ESOC was founded.ESOC is the mission control centre of the European Space Agency, based in Darmstadt, Germany. It is responsible for the operation of ...
7 September
1914: On 7 September 1914, James Alfred Van Allen was born.American physicist Van Allen's discovery of the Van Allen radiation belts, two zones of radiation encircling Earth, brought about new ...
6 September
2000: On 6 September 2000, the ESA spacecraft, Ulysses, returned to the Sun's south pole for the second time in its mission. The spacecraft passed 70° south, shortly before the ...
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