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Space Shuttle Discovery is launched on STS-41, and deploys the Ulysses space probe to study the Sun's polar regions.
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Space Shuttle Discovery
Space Shuttle orbiter (1984–2011)
Space Shuttle Discovery is a retired American Space Shuttle orbiter. The spaceplane was one of the orbiters from NASA's Space Shuttle program and the third of five fully operational orbiters to be built. Its first mission, STS-41-D, flew from August 30 to September 5, 1984. Over…Source: Wikipedia (CC BY-SA)
STS-41
1990 American crewed spaceflight to deploy Ulysses
STS-41 was the 36th Space Shuttle mission and the eleventh mission of the Space Shuttle Discovery. The four-day mission had a primary objective of launching the Ulysses probe as part of the "International Solar Polar Mission" (ISPM).Source: Wikipedia (CC BY-SA)
Ulysses (spacecraft)
1990 NASA/ESA robotic space probe; studied the Sun from a near-polar orbit
Ulysses was a robotic space probe whose primary mission was to orbit the Sun and study it at all latitudes. It was launched in 1990 and made three "fast latitude scans" of the Sun in 1994/1995, 2000/2001, and 2007/2008. In addition, the probe studied several comets. Ulysses was…Source: Wikipedia (CC BY-SA)
Sun
Star at the centre of the Solar System
The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at…Source: Wikipedia (CC BY-SA)
October 6
Day of the year
October 6 is the 279th day of the year in the Gregorian calendar; 86 days remain until the end of the year.Source: Wikipedia (CC BY-SA)