Category: solar system

Dutch astronomer Christiaan Huygens discovered Titan, moon of Saturn, on this day in 1655. Space art by Kenneth Fagg, Chesley Bonestell, Ron Miller, and David A. Hardy.

Jupiter with moons Io and Europa, observed by @nasa’s Voyager 1 on this day in 1979.


February 4, 2007 – Beautiful Saturn, observed by the Cassini probe from a distance of 766,834 miles (1,234,099 kilometers).

Sunsets in space, as seen from the ISS, 2007-2010.

(Johnson Space Center)

The ESA’s Solar Orbiter probe’s long-term journey around the Sun, with a gravity assist from Venus and Earth.

(European Space Agency)

Glorious Saturn, observed by Voyager 1 on this day in 1980, from a distance of 5.3 million kilometers.

Planet Jupiter, observed by the Hubble Space Telescope on April 3, 2017.

Planet Saturn, observed by Voyager 2 space probe on this day in 1981.

A vibrant false-color image Saturn, along with moons Rhea and Dione, imaged by Voyager 2 on July 21, 1981.

Saturn’s mass is 95 times that of the Earth, and it has a diameter of 75,098 miles, or 142,750 kilometers.