Right now within the historical past of astronomy, Cassini arrives after a seven-year journey.

The Cassini-Huygens spacecraft shot this picture of Saturn on March 27, 2004, on its solution to its residence in orbit across the planet. Credt: NASA/JPL/House Science Institute
On July 1, 2004, the Cassini-Huygens mission, a collaborative endeavor by NASA, the European House Company (ESA), and the Italian House Company, efficiently reached Saturn. The spacecraft had launched Oct. 15, 1997, and had obtained gravitational assists from flybys of Venus, Earth, and Jupiter. A 96-minute orbit-insertion burn slowed the spacecraft sufficient for it to be captured by Saturn’s gravity, which enabled its long-term exploration of the planet and its moons. Cassini’s arrival initiated a 13-year endeavor that surpassed the information of the gasoline large beforehand gleaned by different missions’ flybys; new revelations included liquid methane seas on Titan, a world ocean with indicators of hydrothermal exercise on Enceladus, and unprecedented element about Saturn’s rings. The mission concluded with a “Grand Finale” in September 2017, involving a sequence of dives between Saturn and its rings, earlier than the orbiter was deliberately plunged into the planet to keep away from potential contamination of its moons.