Solar System Exploration
September 17, 2004
The small moon Mimas passes in front of the larger moon Rhea, which is partly obscured by Saturn's rings, in this movie from NASA's Cassini spacecraft.
Before a Veiled Rhea
Hello from Saturn, essentially on the opposite side of the sun as seen from Earth! This annual occurrence called solar conjunction, when Saturn (and Cassini) nearly disappear behind the sun.
What's Up? Solar Conjunction
Take a virtual ride with Voyager 1 and 2 past Jupiter, Saturn, Uranus and Neptune.
Voyage of Discovery
This computer-generated view shows the view from the perspective of the Cassini spacecraft as it dives between the rings and Saturn's cloud tops.
Cassini Dive Ride Along
This movie, made from images obtained by NASA’s Cassini spacecraft of the outer edge of Saturn’s B ring, reveals the combined effects of a tugging moon and oscillations that can naturally occur in ...
Oscillations at B Ring Edge
Annette and Alden Tombaugh, the children of Clyde Tombaugh, remember their father and his discovery of Pluto.
Video: Reflections on Clyde Tombaugh
After a 15-year wait, equinox arrived at Saturn and Cassini was there to witness the spectacle of light and shadow.
Equinox at Saturn
This animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals. The imagery is based on actual dat...
Moon Phase and Libration, 2019
This movie is made up of over 600 consecutive images taken on March 16 to March 18, 2007, with the Cassini Magnetopsheric Imaging Instrument's ion and neutral camera.
Movie of Saturn's "Ring Current"
A short film from 1969 showing Ranger 9 images as it approached the Moon.
Ranger 9 Impact
As the moon Enceladus eclipses its neighbor Mimas, Cassini records a scene possible only around the time of Saturn's approaching equinox.
The six Apollo landing sites are revealed chronologically as the phase and libration of the Moon is shown throughout the Apollo era.
Video: Apollo Landing Sites
NASA scientists pioneered new techniques to effectively peer beneath Greenland's thick ice sheet and into the crust itself.
Earth: Greenland's Geologic Past
This is the first footage of one orbiting robotic spacecraft taken by another orbiting robotic spacecraft at Earth's moon.
Spacecraft Pass Each Other at the Moon
What might a wet Mars have looked like? This artist's concept attempts to fill in the blanks.
Mars: Wet to Dry Animation
On June 30, 2004 (PDT), as mission controllers at NASA’s Jet Propulsion Laboratory held their collective breath, the international Cassini-Huygens mission successfully arrived in orbit around Saturn.
Flashback: Cassini Arrival at Saturn
This movie, comprised of several detailed images taken by Cassini's radar instrument, shows bodies of liquid near Titan's north pole.
Radar Shows Evidence of Seas
Spacecraft at JPL
Spacecraft at JPL
The moon Prometheus slowly collides with the diffuse inner edge of Saturn's F ring in this movie sequence of Cassini images.
This animation, from Cassini's navigation team, shows the spacecraft's final orbits in 2016 and 2017.
Final Orbits: Cassini Grand Finale (Animation)
Io Color Eclipse
Io Color Eclipse
This video from NASA's Dawn mission shows that the gravity field of Vesta closely matches the surface topography of the giant asteroid Vesta.
Vesta's Shape and Gravity
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NASA's efforts to engage a broader audience in exploration through the use of social media and online features was recognized with two Emmy Awards for interactive programming.
NASA Wins Two Emmy Awards for Interactive Mission Coverage
NASA has awarded a contract to Advanced Space of Boulder, Colorado, to develop and operate a CubeSat mission to the same lunar orbit targeted for Gateway.
NASA Funds CubeSat Pathfinder Mission to Unique Lunar Orbit
Two relatively medium-sized asteroids will fly safely past Earth overnight Sept. 13-14 (Eastern U.S. time).
Two Asteroids to Safely Fly by Earth
Comet C/2019 Q4 (Borisov) has excited the astronomical community because it appears to have originated from outside the solar system.
Newly Discovered Comet Is Likely Interstellar Visitor
Saturn is so beautiful that astronomers cannot resist using the Hubble Space Telescope to take yearly snapshots of the ringed world when it is at its closest distance to Earth.
Saturn's Rings Shine in Hubble's Latest Portrait
A new theory, based on radar data from NASA's Cassini mission, proposes that some of Titan's lakes formed when pockets of nitrogen blew out basins that filled with methane.
New Models Suggest Titan Lakes Are Explosion Craters