Solar System Exploration
Io in Eclipse
September 17, 2004
Io in Eclipse
With fingers crossed and eyes wide open, sci-fi fans and scientists savor the joys of discovery...at Iapetus.
Backstage Pass to Iapetus (2007)
An update on findings from Cassini's latest flyby of Saturn's largest moon, Titan.
Cassini at Saturn Sept. 22, 2006
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
In this month's sky, look for lovely crescent Moons at the start and end of the month. The September equinox brings the beginning of fall in the Northern Hemisphere. And Mars is at solar conjunctio...
What's Up Video: September 2019 Skywatching Tips from NASA
Sungrazing comets are a special class of comets that come very close to the sun at their nearest approach, a point called perihelion.
What is a Sun-Grazing Comet?
Striking 3-D detail highlights a towering mountain, the brightest spots and other features on dwarf planet Ceres in a new video from NASA's Dawn mission.
Tour Weird Ceres: Bright Spots and a Pyramid-Shaped Mountain
This graphic shows in a series of three images how Saturn's rings, after they became tilted relative to Saturn's equatorial plane, would have transformed into a corrugated ring.
Tilting Saturn's Rings
On Jan. 22, 2012, the Sun erupted with a solar flare, a coronal mass ejection, and a burst of highly energetic protons known as solar energetic particles.
On March 6, the Dawn spacecraft will slip into orbit around Ceres, a dwarf planet located in the main asteroid belt.
Destination Ceres - Breakfast at Dawn
This short animation created by Cassini's mission planning team shows the spacecraft's final orbits - starting with the Ring-Grazing orbits in November 2016 and transitioning to the Grand Finale or...
Cassini's Ring-Grazing and Grand Finale Orbits
We know what the Red Planet looks like from the outside – but what's going on under the surface of Mars?
Mars in a Minute: What's Inside Mars?
The little moon Daphnis and its entourage of waves on the edge of the Keeler gap in Saturn's rings cast long shadows in this movie created from images taken as the planet approaches its mid-August ...
Wave Shadows in Motion
For hundreds of years, this gaseous giant planet appeared shrouded in colorful bands of clouds extending from dusk to dawn, referred to as zones and belts.
NASA's Juno Spacecraft Reveals the Depth of Jupiter's Colored Bands
Io Color Eclipse
Io Color Eclipse
This movie created from images obtained by NASA’s Cassini spacecraft shows a propeller-shaped structure created by a hidden, embedded moon moving through one of Saturn's rings.
Propeller Churns the A Ring
NASA's Cassini spacecraft stared at Saturn for nearly 44 hours on April 25 to 27, 2016, to obtain this movie showing just over four Saturn days.
Staring at Saturn
What might a wet Mars have looked like? This artist's concept attempts to fill in the blanks.
Mars: Wet to Dry Animation
This short movie shows the view of Kuiper Belt object 2014 MU69 (nicknamed Ultima Thule) as seen by NASA's New Horizons spacecraft from Dec. 7, 2018 to Jan. 1, 2019. During the approach, Ultima Thu...
Approach to Ultima Thule
This simulated voyage over the surface of Neptune's large moon Triton was produced using topographic maps derived from images acquired by NASA's Voyager spacecraft during its August 1989 flyby, 20 ...
Flight Over Triton
Sir Arthur C. Clarke's video greeting to NASA's Jet Propulsion Laboratory for Cassini's first close Iapetus flyby in 2007.
Sir Arthur C. Clarke's 2007 Iapetus Flyby Greeting
This spectrogram and video show a changing pattern of radio waves from Saturn known as Saturn Kilometric Radiation, as detected by NASA's Cassini spacecraft.
Saturn's Radio Period Crossover
This mosaic strip – extending across the hemisphere that faced the New Horizons spacecraft as it flew past Pluto on July 14, 2015 – now includes all of the highest-resolution images taken by the NA...
Close-Up of Pluto's Surface
This audio clip was created from radio signals received by the radio and plasma wave science instrument on the Cassini spacecraft.
Lightning Sounds from Saturn
This video describes Cassini measurements of high speed streams of tiny dust particles emanating from the vicinity of Saturn.
Cosmic Messengers From Saturn
This animation shows a color-coded map from NASA's Dawn mission revealing the highs and lows of topography on the surface of dwarf planet Ceres.
Ceres Topographic Globe Animation
You Might Also Like
NASA's Hubble Space Telescope has given astronomers their best look yet at an interstellar visitor — comet 2I/Borisov.
Hubble Observes 1st Confirmed Interstellar Comet
The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover.
HiRISE Views NASA's InSight and Curiosity on Mars
A new study suggests that while a majority of lunar ice deposits are likely billions of years old, some may be more recent.
New Research Sheds Light on the Ages of Lunar Ice Deposits
Using observations of galactic cosmic rays from NASA’s Voyager spacecraft scientists calculated the total pressure from particles in the outer region of the solar system, known as the heliosheath.
Pressure Runs High at Edge of Solar System
New evidence suggests salty, shallow ponds once dotted a Martian crater — a sign of the planet's drying climate.
NASA's Curiosity Rover Finds an Ancient Oasis on Mars
The next full Moon will be on Sunday afternoon, October 13, 2019, The Moon will appear full for about three days centered on this time, from Saturday morning to Tuesday morning.
The Next Full Moon is the Hunter's Moon