Transcript for scene 1 of the video " Ice Age 2050s: Certainty 2" by Rolf Witzsche  

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In 1990 the Ulysses space mission was launched

On the 6th of October in 1990 the Ulysses space mission was launched from NASA's space shuttle "Discovery." The Ulysses mission, placed a satellite into a polar orbit around the Sun that takes it far outside the ecliptic. The mission used the gravity of Jupiter to swing the satellite out of the ecliptic plane where solar measurements are inherently affected by the heliospheric current sheet that flows there. The deflection by the gravity of Jupiter has put the satellite it into an orbit perpendicular to the ecliptic where nothing disturbs the reading. The Ulysses satellite had reached Jupiter on the 8th of February in 1992. That's when its first solar orbit began. 

 

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Published by Cygni Communications Ltd. North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F. Witzsche