MERCURY VENUS EARTH MARS JUPITER SATURN URANUS NEPTUNE SOLAR SYSTEM DWARF PLANETS CERES PLUTO HAUMEA MAKEMAKE ERIS MOONS THE SUN THE MOON ASTEROID BELT KUIPER BELT OORT CLOUD SOLAR ECLIPSES COMETS ASTEROIDS METEORITES METEOR SHOWERS TERRESTRIAL PLANETS GAS GIANTS GALAXIES ANDROMEDA THE MILKY WAY TOOLS YOUR OTHER PLANETS BETWEEN PLANETS SOLAR SYSTEM MODEL FACTS THE ANDROMEDA GALAXY ALSO KNOWN AS MESSIER 31 SPIRAL GALAXY ANDROMEDA CONSTELLATION OUR SOLAR SYSTEM OVERALL GALAXY LARGEST THE LOCAL GROUP COLLECTION TRIANGULUM GALAXY SMALLER DWARF GALAXIES GETS NAME AREA CONSTELLATION THE AFTER GREEK PRINCESS PROBABLY MASSIVE CONTRARY PREVIOUS RESEARCH SPECULATED DARK STUDY THE MASS TRILLION STARS BILLION YEARS MILKY WAY MERGING GIANT ELLIPTICAL GALAXY TEAM ASTRONOMERS BELIEVE APPARENT MAGNITUDE BRIGHT ENOUGH SEEN NAKED EYE RATE KILOMETRES PER SECOND PROFILE DISTANCE BILLION SOLAR MASSES NUMBER POPULAR PLANET THE PLANETS TWEETS SEARCH THE UNIVERSE ADVERTISEMENTS EIGHT PLANETS CONTACT PRIVACY SITE USES FIND