SKIP CONTENT CURRENT ISSUE TABLE OF CONTENTS HERE FEATURES PHOTOGRAPHY PROOF PHENOMENA YOUR SHOT PUZZLES VIDEO ARCHIVES FEATURE ARTICLE PHOTO GALLERY MISSION MILESTONES POSSIBLE PLUTO PORTRAIT LAST FACE SOLAR SYSTEM HISTORIC MONTH SPACECRAFT LAUNCHED CLOSE LOOK OUR SOLAR SYSTEM NINTH PLANET GRAPHIC NEW HORIZONS TRAVELED BILLION MILES BEGIN FLYBY MOONS THE DWARF LANDSCAPE EXTREME SEASONAL EXOTIC CARBON MONOXIDE REACH ALMOST DECADE DWARF PLANET WHAT IT FIND NADIA DRAKE DANA BERRY ALWAYS SELFISH DISCOVERY PLANET BEYOND REACH FROSTY SURFACE BLURRED MYSTERY POWERFUL TELESCOPES REALLY CHANGE NEW HORIZONS SPACECRAFT SCHEDULED TO FLY FROZEN RISKY GOES FLEETING CLOSE ENCOUNTER UNVEIL THE LAST THE CLASSICAL FINALLY MEET LARGEST MOON SCIENTISTS GUESSES MIGHT THE ONLY THING SURE PROMISES BLOG NATIONAL NO PLACE LIKE HOME AWAY SAYS ALAN STERN PRINCIPAL INVESTIGATOR THE FIRST TIME THE YEAR VANISHED THE LIST PLANETS TO DO ASTRONOMERS EARTH CELESTIAL SLEIGHT OF HAND THE TRUTH TOUGH WORLD CRACK STATUS TRICKY CALCULUS FORETOLD THE EXISTENCE BEYOND THE ORBIT CALCULATIONS ICE GIANT PREDICTIONS PLANETARY MOTION REASONED UNDISCOVERED AT THE EDGE THE SOLAR SYSTEM MUST ICE GIANTS CAUSING TRACE ERRANT PATHS AROUND THE SUN THE TURN OF THE CENTURY THE HUNT MISSING WHOEVER DISTINCTION DISCOVERING CALLING THE ROGUE BOSTON ARISTOCRAT PERCIVAL LOWELL IRRIGATION CANALS THE SURFACE LOWELL OBSERVATORY THE EPICENTER THE SEARCH CALCULATING POSITION BORROWING EQUIPMENT DIED PLANET X CLYDE TOMBAUGH PARKED SPOT TRANSPLANT THE FARM FIELDS TOMBAUGH THE TASK SEARCHING ELUSIVE FORMAL TRAINING ASTRONOMY DEVELOPED SKILL BUILDING SOMETIMES CAR PARTS IMPROBABLE SOMETHING PERFECTIONIST PLANTED KAFIR CORN ROWS ACROSS THE FIELD HAD TO STRAIGHT AS ARROW NO MATTER WORK EVER SPENT THE MISSING INSTRUMENT BLINK COMPARATOR MACHINE FLIP BACK AND FORTH HUNDREDS THOUSANDS TAKEN DAYS ANYTHING DISTANCE THAT TIME APPEAR MOVE THE IMAGES COMPARATOR PHOTOS SIX DAYS APART SPECK LIGHT WAS TO THE LEFT BRIGHT JUMPED MILLIMETERS THE RIGHT FLIPPED THE SPOT LEAPING ORIGINAL POSITION RULER MEASURED DIFFERENCE CONFIRM THE POTENTIAL PRESENCE 45 MINUTES KANSAS FARMER TELESCOPE CRANKSHAFT BUICK FARM EQUIPMENT DRAWINGS MARS JUPITER YEARS LATER DISCOVERED PHOTOGRAPH PRETTY DINKY LITTLE TEAM MEMBER STARE AT THESE THINGS WEEKS ANNOUNCED COINCIDE ANNIVERSARY IMMEDIATELY JUMPING POINT OF LIGHT FAINT THE BEST THE DAY RESOLVE THE OBJECT ACCOUNT EXPECTING BRIGHTER OWEN GINGERICH EMERITUS ASTRONOMER HISTORIAN PROBABLY SMALLER THAN URANUS SORT OF SIZE NEVER RIGHT AWAY FIGURE NAME LETTERS HELD UP THE OBSERVATORY FORTUNE HUMILITY ACROSS THE OCEAN ENGLISH GIRL VENETIA BURNEY CASUALLY THE ROMAN GOD OF THE UNDERWORLD DARK DUSKY NAMING THE WORD SO ON ORBIT THE WORLD THE YEARS SHRINK ITSELF PLANETHOOD OBSERVING INTERACTION SATELLITE MERE OF EARTH CHARON HALF ACTUALLY BINARY SYSTEM REVOLVE POINT THE SPACE BETWEEN CHURNING THE CENTER COMPLEX SYSTEM FOUR MORE SUSPECT SHARING SWAPPING ORBITS MAYBE ROTATING DANCE RANDOM SURPRISED FINDING WEIRD ALEX PARKER POSTDOC VOYAGER 2 THE REALM THE GIANT REVEALED THE REAL THE EQUIVALENT PLUGGED EQUATIONS USED TO PREDICT TRACES BORING PATH FAULTY PRODIGIOUS WAITED DECADES DISCOVER THE LITTLE OUT THERE VIOLENT BIRTH LONGER ONE OF A KIND ANYMORE WORLDS POPULATING KUIPER BELT VAST DEBRIS RING NEPTUNE COMETS LONG AGO ERASED FINGERPRINTS THE EARLY AGES PRESSED WAITING MATCHED THEORIES TURBULENT ARCHITECTURE POINTS MIGRATION SENT BODIES FLYING TURNED OVERGROWN SHOOTING GALLERY HOPING SURVEY POPULATION HOW IT CHANGED OVER TIME MEASUREMENTS ESSENTIAL IDEAS THE MIGRATION SCULPTED THINK MASSIVE STERN LEARN GIVE PEEK EARLY EARTH THE PLANET GASSY ENVELOPE HYDROGEN HELIUM INFANT MILLIONS ATMOSPHERE THE ONLY PLACE WE CAN STUDY SIMILAR HAPPENING EVEN THOUGH MOON GIANT IMPACT THE ONE DISK DEBRIS LEFT SKIES WEAKER GRAVITY THE SMASHUP SEEDING THE BINARY SPACE RUBBLE VISIT PHOTOGRAPHS NASA KENNEDY SPACE CENTER WAITS WRAPPED FAIRING PROTECT LAUNCH FLIGHT FASTEST CAPE CANAVERAL AIR FORCE STATION ATLAS V ROCKET PASSING CRAFT CONTINUE DANGEROUS PASSAGE CAPE COVERING AVERAGE NEARLY SPEED BOOSTER TOTAL TRAVEL EIGHT FORMER PLANET TIMES FAR FROM THE SUN CHILLY FAR OUT TEMPERATURES DEGREES FAHRENHEIT SPEED TAKE IT PLUTO SYSTEM AS IT MIGHT BE HIDDEN DUST GRAIN SAND POTENTIALLY DANGEROUS SETI INSTITUTE MARK SHOWALTER HAZARD ASSESSMENT CUTS ELECTRICAL CONNECTION HITS COMPUTER PROCESSING DAMAGE LEADING UP TO TENSE IMAGES THE TEAM ANYTHING THAT MOVES TELLTALE PIXELS SIGNALING HIDDEN MOON SHEDDING NEST LOOKING OUT ROCKY SHOALS SEAN MARK SOUTHWEST RESEARCH INSTITUTE JEFF MOORE ILLUSTRATIONS SHOW LOOK LIKE IMAGE SHOWS ACTIVE RIFT DYNAMIC GEOLOGICAL WINDSWEPT ERODED THE BOTTOM ICES PLANNED ALTERNATE TRAJECTORIES SHOULD ALTERNATIVES COST NOTHING WORTH SETTING COURSE AT RISK REASON WE GO GOING THE SURPRISE HOPE WRONG KIND BETS GOOD SURPRISES ALREADY KNOW THAT SUNLIGHT ORGANIC MOLECULES BLURRY HUBBLE PATCHES ORGANIC COMPOUNDS PAINTING REGIONS HINTS FORMING MULTICOLORED SHOCKED PLUMES OVERHEAD PUFFY NITROGEN