CONTENT MISSION OVERVIEW CHANDRA NAMESAKE TOP 10 CLASSROOM INTERACTIVE GAMES ASTRONOMY BLACK HOLES GALAXY CLUSTERS IMAGES THE PUBLIC DATE CATEGORY CURRENT PRESS RELEASES STATUS INTERVIEWS COLLECTION ILLUSTRATIONS ANIMATIONS DISCOVERIES EDUCATION FIELD GUIDE PHOTO ALBUM PRESS ROOM RESOURCES MULTIMEDIA PODCASTS BLOG RESEARCH SOLAR SYSTEM STARS WHITE DWARFS NEUTRON STARS MILKY WAY GALAXY NORMAL GALAXIES QUASARS FIELD INTEREST SPACE SCOOP FOR KIDS SKY MAP CONSTELLATIONS WALL PHOTO BLOG IMAGE HIGH PRINTS FITS FILES TUTORIALS TUTORIAL FALSE COLOR COSMIC DISTANCE SCALE MEASUREMENT PROCESSING HARD POLICY SHORTCUTS RSS FEED CHRONICLE EMAIL NEWSLETTER NOTEWORTHY QUESTIONS ANSWERS GLOSSARY TERMS GUIDE ADOBE READER CENTAURUS NEW LOOK AN OLD FRIEND IMAGE OF FAMOUS GARGANTUAN DATA TAKEN ARCHIVE EQUIVALENT HALF DAYS BLUE SHOW ARCHIVED ONGOING SCIENTIFIC STUDIES RESULTS THE BLACK HOLES WEEKS OBSERVATORY OPERATIONS IN 1999 THE TELESCOPE THIS GALAXY LIGHT YEARS JET AWAY CENTRAL SUPERMASSIVE BLACK HOLE ATTENTION GATHERING FAMILY PHOTO TECHNIQUES ASTRONOMERS GALACTIC NINE WORTH DETECTS THE MEDIUM ONES THIS ONE SHOWS SPECTACULAR MATERIAL SEEN THE MIDDLE UPPER LEFT THE GIANT BLACK HOLE SNAPSHOT HIGHLIGHTS DUST LANE WRAPS WAIST THINK THIS FEATURE COLLISION EXPERIENCED SMALLER GALAXY MILLIONS YEARS AGO RICH WIDE RANGE SCIENTIFIC RESEARCHERS PUBLISHED FINDINGS SOURCES SYSTEMS COMPACT OBJECT NEUTRON STAR GAS ORBITING COMPANION COMPACT OBJECTS COLLAPSE MASSIVE NEARLY THE COMPACT MASSES FELL LESS THAN TWICE TIMES BLACK MASS GAP TELL THE WAY SCIENTISTS EXPECT UPPER LIMIT UP TO THE MASS OF THE SUN APPEAR WEIGH IN CARRY ON OUR GALAXY THE MILKY WAY HINTS THE GAP MEAN RAPID TYPE STELLAR SUPERNOVA EXPLOSIONS HERE APRIL 1ST ISSUE THE ASTROPHYSICAL JOURNAL AVAILABLE MARK BURKE THE WORK THE UNIVERSITY OF BIRMINGHAM THE UK MARSHALL SPACE FLIGHT CENTER PROGRAM SCIENCE MISSION DIRECTORATE THE SMITHSONIAN ASTROPHYSICAL CONTROLS SCIENCE FLIGHT FAST FACTS RELEASE DATE ARCMIN ACTIVE GALAXIES COORDINATES OBSERVATION 29 AUG HOURS 13 HOURS ACIS ALSO KNOWN AS COLOR CODE VISITOR COMMENTS THE BUBBLE STRUCTURE BELOW SEEMS OPPOSITE ABOVE THE GALAXY CHARLES ROWLAND THE ACTUAL VALUES ELSEWHERE GLAD COLORS MAPPINGS BRIAN RICK MOLL TERRIFIC WRITTEN PRESENTATION LOVE THE SPECTRUM LAID HEWITT PRIVILEGE SOMETHING LIKE THIS GOES DIXIE SO BEAUTIFUL THANK YOU DOWN MY OLD FRIEND THE SKY LEAVE YOUR COMMENT RULES KEEP OFFENSIVE EDITED COMMERCIAL GOODS URLS POST MODERATED BUSINESS HOURS PLEASE SHORT EMAILS VISIBLE PRIVACY POLICY ACTIVE GALAXY GREEN CONSTELLATION THE BASICS WHAT IS IT HOW FAR RATE VOTES SHARE JPEG TIFF VIEW HANDOUT FEED INFORMATION ANIMATION VIDEO RELATED ACTIVE PODCAST TOUR NGC 5128 FLARE GEMINGA CHANDRA DEEP FIELD SOUTH ABELL HELP SITE MAP PRIVACY DOWNLOADS PLUGINS GUESTBOOK NASA SMITHSONIAN ASTROPHYSICAL SITE DEVELOPED FUNDING CONTRACT CONTACT ASTROPHYSICS GARDEN STREET TWEET