UNIVERSE ASTRONOMY LOGIN GUIDE SPACE CARNIVAL PHOTOS FORUM CONTACT PRIVACY SATURN THE PLANET ARTICLE MATT WILLIAMS PLANET THE SUN WITH THE NAKED EYE THE EXISTENCE THOUSANDS CELESTIAL BODIES INSTRUMENTS JUPITER THE MOON ROLE MYTHOLOGY ASTROLOGICAL SYSTEMS GAS GIANTS OUR SOLAR SYSTEM ALSO KNOWN AS JOVIAN PLANETS THE SIXTH RING SYSTEM FAMOUS OBSERVABLE CONSISTING OF NINE CONTINUOUS RINGS DISCONTINUOUS POLAR RADIUS EQUATORIAL RADIUS MEAN RADIUS EARTH RADII SURFACE MASSIVE EARTH TIMES GAS GIANT GREATER VOLUME EQUIVALENT ORBITS AVERAGE DISTANCE OF 9 BILLION ECCENTRICITY PERIHELION AND APHELION AVERAGE IMAGE ORBITAL SPEED TAKES EARTH DAYS COMPLETE REVOLUTION IN OTHER WORDS CRONIAN THE EQUIVALENT EARTH YEARS VISIBLE FEATURES ROTATE RATES MULTIPLE ROTATION PERIODS THE LATEST ESTIMATE COMPILATION MEASUREMENTS VOYAGER PIONEER CAUSES SHAPE OBLATE SPHEROID THE POLES THE EQUATOR HYDROGEN HELIUM GAS DENSITY THE ONLY THE SOLAR SYSTEM LESS DENSE MEANS LACKS BELIEVED SOLID FACT RISE TOWARD STANDARD PLANETARY THE INTERIOR SIMILAR ROCKY CORE HELIUM TRACE AMOUNTS COMPOSITION TO THE EARTH PRESENCE METALLIC HYDROGEN THE EXTREME HUGE STORM CHURNING THE ATMOSPHERE NORTHERN HEMISPHERE ITSELF AS IT VIEW CASSINI WINDS FASTEST DATA PEAK EASTERLY WINDS NORTHERN SOUTHERN POLES EVIDENCE STORMY WEATHER THE NORTH POLE HEXAGONAL WAVE THE SOUTH SHOWS JET STREAM PATTERN THE HEXAGON LONGER DIAMETER THE STRUCTURE PERIOD EQUAL TO THE SOUTH POLE THE HUBBLE SPACE TELESCOPE IMAGES STANDING WAVE STORMS SIZE GOING ON SPACE PROBE DEFINED MOONS MOONLETS LESS THAN 10 KM OUTER RATHER RANGING MOONS OF SATURN LEFT TO RIGHT ENCELADUS TITAN THE BACKGROUND IAPETUS HYPERION SCIENCE INSTITUTE TRADITIONALLY THE TITANS GREEK MYTHOLOGY REGULAR ORBITAL INCLINATIONS IRREGULAR MOONS OUTERMOST REGIONS RADII MILLIONS MOVE RETROGRADE ORBIT RING SATELLITES WATER MANTLE MIMAS OVOID DISTANCE ORBITAL PERIOD SPHERICAL DAYS SMALLER MOON ACTIVE BODIES GEOLOGICALLY RESULTS CURVED PARALLEL FAULTS POLAR POLAR REGION RELEASE PLUMES GAS DUST LIQUID WATER BENEATH GEOTHERMAL ENOUGH HEAT OCEAN CLOSER GEOMETRICAL ALBEDO COMPOSITE IMAGE GREEN AND RED CREATE LARGEST MOON THE MASS IN ORBIT NITROGEN FRACTION SCIENTISTS POLYCYCLIC AROMATIC UPPER METHANE ICE THE SURFACE OBSERVE ATMOSPHERIC IMPACT CRATERS DUNE FIELDS APPARENTLY TIDAL BODY LIQUID LAKES NORTH AND SOUTH POLAR REGIONS ORBITAL DISTANCE EUROPA SUBSURFACE OCEAN MIXED ERUPT LEAD CRYOVOLCANISM ATAN LIGHTER POROUS TWO SIDES OF YIN YANG THE CONTRAST COLOR LEADING HEMISPHERE DARK BLACK TRAILING HEMISPHERE BRIGHTER BEYOND ACQUIRED MADE UP INUIT GALLIC NORSE GROUP INUIT MYTHOLOGY IJIRAQ KIVIUQ PAALIAQ SIARNAQ TARQEQ RANGE APPEARANCE GROUP OF FOUR CHARACTERS BEBHIONN ERRIAPUS TARVOS HERE THE MOONS SATURNS RINGS NASA NAMES NORSE MYTHOLOGY TO 18 SOMETIMES PHOEBE THE GROUP YMIR BELONGING PALLENE ALKYONIDES TROJAN MOONS TETHYS TELESTO DIONE HELENE POLYDEUCES DATING THE FORMATION OF THEORIES THEORY THE RINGS ONCE MOON OF SATURN WHOSE CLOSE ENOUGH APART IN VERSION COMET ASTEROID POSSIBLE THE LATE HEAVY BOMBARDMENT PUSHED ROCHE LIMIT NEVER LEFT THE ORIGINAL MATERIAL YEARS AGO SEVEN DIVISION WIDE CASSINI DIVISION