28 September
1953: On 28 September 1953, Edwin Hubble died.Hubble was an American astronomer who is considered the founder of extragalactic astronomy and who provided the first evidence of the expansion of ...
27 FEB. 2004
Utgivelsesdato
1991
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1951: On 29 September 1951, US astronomer Seth Nicholson discovered Ananke, the twelfth satellite of Jupiter.
As a graduate student at the University of California he was photographing the recently-discovered eighth moon of Jupiter with the 36-inch Crossley reflector when he discovered a ninth. He computed its orbit for his PhD dissertation. At Mount Wilson Observatory, where he spent his entire career, he discovered three more Jovian satellites, including Ananke.
Mediemodal
27 September
2003: On 27 September 2003, SMART-1 left Earth on a long journey to the Moon. It was launched from Europe’s Spaceport at Kourou, French Guiana, at 20:14 hrs local time ...
26 September
2003: On 26 September 2003, at 10:15 local time, the Ariane 5 launch vehicle carrying ESA's SMART-1 payload was rolled out to the launch pad at Europe's Spaceport in Kourou, ...
25 September
1644: On 25 September 1644, Ole Christensen Rømer was born.Rømer was a Danish astronomer who demonstrated conclusively that light travels at a finite speed. He measured the speed by precisely ...
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