With over four billion miles logged while circling the Sun's poles, the Ulysses spacecraft continues shedding light on the dynamics of the solar atmosphere. The joint NASA and European Space Agency mission, launched in October 1990, studies the enormous system -- reaching far beyond the planets -- under the Sun's influence. Ulysses' observations also add knowledge about how the Sun affects Earth.
Sun Explorer Ulysses Spacecraft Turns 15
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Oct. 7, 2005
Artist's concept of the Ulysses spacecraft orbiting the Sun.
With over four billion miles logged while circling the Sun's poles, the Ulysses spacecraft continues shedding light on the dynamics of the solar atmosphere.
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