OUTER PLANETS STAR SYSTEM FORMATION PLANETS ATMOSPHERES INTERIORS THE DEAL GALILEAN MOONS JUPITER MOONS NEPTUNE DWARF PLANETS COMETS JUNK ASTEROIDS METEORITES DUST PLASMA PIONEER 10 VOYAGER 1 GALILEO CASSINI FRONTIERS BORNA STARS DENSE REGIONS SPACE MOLECULAR CLOUDS THE FORCE GRAVITY THE CLOUD GREATER THAN STRENGTH INTERNAL PRESSURE NEWBORN LINKS RELATED INTERSTELLAR MEDIUM NAME GAS BETWEEN THE STARS PROPERTIES REGION THE MILKY WAY HYDROGEN HELIUM ELEMENTS THE ORION PERFECT THE COMBINATION ATOMS MOLECULES MUCH MORE PHOTOGRAPH SHOWS INTERSTELLAR CLOUD STAR SYSTEMS SOLAR CAUSED COLLAPSE SIMILAR LARGE CLOUD PIECE CLOUD OUR SOLAR SYSTEM SOLAR NEBULA CLICK THE PHOTO TO THE LEFT IMAGES MOLECULAR CLOUD FORMING CORE SUSTAINED NUCLEAR FUSION PUSH STRONGER EASIER TOTAL PRESSURE SHOW METHE MATH ONCE THE UNIVERSAL LAW GRAVITATION WRITTEN MATHEMATICALLY GRAVITATIONAL ATTRACTION THE MASSES THE DISTANCE BETWEEN SYMBOL GRAVITATIONAL CONSTANT VALUE MADE UP PROBABLY SPREAD SPHERICAL DENSITY POSSIBLE CAUSES START SHOCK WAVE NEARBY EXPLODING COLLISION OF 2 THE CRAB NEBULA PICTURE TAKEN THE HUBBLE SPACE TELESCOPE THOUGHT PARTICLES EXPELLED SUPERNOVA EXPLOSION BILLION YEARS TEMPERATURE SHAPE UNDERGO AS IT GRAVITATIONAL POTENTIAL ENERGY CONVERTED KINETIC ENERGY FALLING CRASH CONVERTING THERMAL ENERGY ICE SKATER ARMS FASTER IN RADIUS INCREASE ROTATION RATE CONSERVATION OF ANGULAR SLOW SHRINKAGE FAST FLATTENING NATURAL CONSEQUENCE COLLISIONS SPINNING SIZE MOVING RANDOM DIRECTIONS ROTATING THE MOLECULES INSIDE BEGIN INTERACT EXTRA INTERACTION PRESSURE DEPENDS SHOW ME THE PRESSURE GETS HIGH ENOUGH BEGINS RIVAL EVENTUALLY INFANT BEGUN FUSE EQUILIBRIUM PROTOSTAR ENERGY GRAVITATIONAL CONTRACTION THE PROCESS CAUSING THE CORE OBJECT MUST REACH MINIMUM 10 MILLION KELVIN HELIUM NUCLEI 100 MILLION FUSION AMOUNT THE SURFACE PERFECT BALANCE STOPS MASSES DEMOGRAPHICS OF NUMBER HIGHER MINIMUM MASS TIMES THE MASS OF THE SUN MAXIMUM DIAGRAM FOR EVERY THE MASS CLOSE PRETTY AVERAGE LEARN STAR FORMATION UNIVERSITY OF ILLINOIS INFO STELLAR PICTURES ORION DEEP FIELD IMAGE THE ANTENNAE GALAXIES DARK MARK CLOUDS MOLECULAR IRIS NEBULA YOUNG STAR