Explanation: Tethys is one of the larger and closer moons of Saturn. The Cassini spacecraft now orbiting Saturn passed near the frozen moon at the end of October, capturing the most detailed images since the Voyager spacecrafts in the early 1980s. Tethys is composed almost completely of water ice and shows a large impact crater that nearly circles the planet. Because this crater did not disrupt the moon, Tethys is hypothesized to be at least partly liquid in its past. Two smaller moons, Telesto and Calypso, orbit Saturn just ahead of and behind Tethys. Giovanni Cassini discovered Tethys in 1684. The Cassini spacecraft is scheduled for a close fly-by of Tethys in September 2005.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Tethys - Saturn - cassini spacecraft - Tefiya - Saturn - KA Kassini Publikacii so slovami: Tethys - Saturn - cassini spacecraft - Tefiya - Saturn - KA Kassini
Sm. takzhe: Saturn noch'yu Luna zatmevaet Saturn Saturn u kraya Luny Cveta Saturna ot "Kassini" Polumesyac Encelada Vremena goda na Saturne Severnyi shestiugol'nik na Saturne Vse publikacii na tu zhe temu >>