Saturn | Astronomy.com

Robotic Spaceflight, Today in the History of Astronomy

Oct. 15, 1997: Cassini-Huygens launches

Organic molecules in Saturn’s rings originated from liquid water, scientists confirm

Robotic Spaceflight, Today in the History of Astronomy

Sept. 26, 2005: Cassini visits Saturn’s weirdest moon

Today in the History of Astronomy

Sept. 17, 1789: William Herschel discovers Mimas

Robotic Spaceflight, Today in the History of Astronomy

Sept. 15, 2017, Cassini’s Grand Finale

Today in the History of Astronomy

July 30, 1610: Galileo sees Saturn’s rings

Robotic Spaceflight, Today in the History of Astronomy

July 1, 2004: The Cassini-Huygens mission makes it to Saturn

Today in the History of Astronomy

June 8, 1625: The birth of Giovanni Cassini

Saturn ring shadows

Do Saturn’s rings cast shadows?

A photo-illustration of the optical illusion known as Mach bands, as seen on Saturn.

How to see a Saturn ring mirage

Saturn’s moon Mimas, floating above the planet’s rings, might conceal a liquid ocean beneath its surface.

Saturn’s moon Mimas may hide a surprisingly young ocean

Saturn’s moon Mimas shows off its heavily cratered surface — including the large impact crater Herschel — in this rendering. Credit: Frédéric Durillon, Animea Studio | Observatoire de Paris – PSL, IMCCE

Robotic Spaceflight, Science, Solar System, Space Exploration

Evidence grows for a young ocean lurking under Mimas’ surface