Cassini-Huygens, Space probe. Launched in 1997, it consisted of the U.S. Cassini spacecraft, which orbited Saturn, and the European Huygens probe, which landed on Titan in 2005. Data from Huygens showed a shoreline with erosion features and a river delta. Cassini discovered lakes of liquid methane on Titan, geysers of water ice on Enceladus, and six new moons and two new rings of Saturn.
Cassini-Huygens Article
Cassini-Huygens summary
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space exploration Summary
Space exploration, investigation, by means of crewed and uncrewed spacecraft, of the reaches of the universe beyond Earth’s atmosphere and the use of the information so gained to increase knowledge of the cosmos and benefit humanity. A complete list of all crewed spaceflights, with details on each
astronomy Summary
Astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Until the invention of the telescope and the discovery of the laws of motion and gravity in the 17th century, astronomy was primarily concerned with noting and predicting the positions of the Sun, Moon, and
Titan Summary
Titan, the largest moon of Saturn and the only moon in the solar system known to have clouds and a dense atmosphere. It is the only body other than Earth that is known to currently have liquid on its surface. It was discovered telescopically in 1655 by the Dutch scientist Christiaan Huygens—the
Saturn Summary
Saturn, second largest planet of the solar system in mass and size and the sixth nearest planet in distance to the Sun. In the night sky Saturn is easily visible to the unaided eye as a non-twinkling point of light. When viewed through even a small telescope, the planet encircled by its magnificent