| 17 Dec 07 |  | 3C321 | Black Hole Fires at Neighboring Galaxy |
| 10 Dec 07 |  | Whirlpool Galaxy
(M51) | A spiral galaxy 31 million light years from Earth. |
| 28 Nov 07 |  | RX J0822-4300 in Puppis A | Chandra Discovers Cosmic Cannonball |
| 15 Nov 07 |  | NGC 281 | NGC 281 is a bustling hub of star formation about 10,000 light years away. |
| 25 Oct 07 |  | GOODS Chandra Deep Field-South | A compilation of long observations on the same patch of sky with Chandra, Spitzer, Hubble and other space and ground-based observatories. |
| 23 Oct 07 |  | G292.0+1.8 | A young supernova remnant 20,000 light years from Earth, in the constellation Centaurus. |
| 17 Oct 07 |  | M33 X-7 | A binary system in the galaxy M33 where a large companion star is in orbit around a black hole. |
| 03 Oct 07 |  | Orion Nebula | A rich cluster of young stars about 1,500 light years from Earth. |
| 27 Sep 07 |  | NGC 5315 | A planetary nebula about 7,000 light years from Earth in the constellation of Circinus. |
| 20 Sep 07 |  | Abell 3627 | A giant cluster of galaxies about 220 million light years from Earth with galaxy ESO 137-001 plunging into it. |
| 13 Sep 07 |  | Coronet Cluster | A region of star formation about 420 light years from Earth. |
| 30 Aug 07 |  | LHa115-N19 | At a distance of only 200,000 light years, the Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. |
| 16 Aug 07 |  | Abell 520 | A system where at least two massive galaxy clusters have collided. |
| 08 Aug 07 |  | G347.3-0.5 | Two supernova remnants for which their stellar explosions may have been witnessed by ancient astronomers. |
| 08 Aug 07 |  | RCW 86 | Two supernova remnants for which their stellar explosions may have been witnessed by ancient astronomers. |
| 06 Aug 07 |  | CL0958+4702 | A four-way collision of galaxies about 5 billion light years away. |
| 24 Jul 07 |  | CL 0542-4100 | Two clusters of galaxies about 5.7 billion light years from Earth. |
| 24 Jul 07 |  | CL 0848.6+4453 | Two clusters of galaxies about 5.7 billion light years from Earth. |
| 10 Jul 07 |  | RCW 103 | A new X-ray image shows the aftermath of such a cosmic explosion, known as RCW 103, which occurred about 10,000 light years from Earth. |
| 27 Jun 07 |  | Circinus X-1 | A system where a neutron star is in orbit with a star several times the mass of the Sun. |
| 20 Jun 07 |  | Eta Carinae | A star between 100 and 150 more massive than the Sun, about 7,500 light years from Earth. |
| 13 Jun 07 |  | N132D | A supernova located in the Large Magellanic Cloud about 160,000 light years from Earth. |
| 30 May 07 |  | 3C438 | Evidence for an awesome upheaval in a massive galaxy cluster was discovered in an image made by NASA's Chandra X-ray Observatory. |
| 22 May 07 |  | M31
(Andromeda Galaxy) | Also known as M31 and the nearest major galaxy to the Milky Way. |
| 07 May 07 |  | SN 2006gy | A supernova in the galaxy NGC 1260, about 238 million light years away. |
| 30 Apr 07 |  | Sombrero Galaxy | The Sombrero, also known as M104, is one of the largest galaxies in the nearby Virgo cluster, about 28 million light years from Earth. |
| 12 Apr 07 |  | NGC 1365 | Chandra observations of the galaxy NGC 1365 have captured a remarkable eclipse of the supermassive black hole at its center. |
| 10 Apr 07 |  | NGC 4258 | A spiral galaxy about 25 million light years from Earth, also known as M106. |
| 04 Apr 07 |  | SN 2006jc | In a galaxy far, far away, a massive star suffered a nasty double whammy. |
| 29 Mar 07 |  | 3C442A | Astronomers think that there are enormous black holes at the centers of most, if not all, galaxies. These black holes, which can be millions or even billions of times more massive than the Sun, can greatly affect the galaxy and the environments around them. |
| 12 Mar 07 |  | Bootes Field | This panorama is the largest contiguous field ever obtained by the Chandra X-ray Observatory. |
| 01 Mar 07 |  | Jupiter | On February 28, 2007, NASA's New Horizons spacecraft made its closest approach to Jupiter on its ultimate journey to Pluto. |
| 22 Feb 07 |  | Supernova 1987A | February 24, 2007 marks the 20th anniversary of one of the most spectacular events observed by astronomers in modern times, Supernova 1987A. |
| 15 Feb 07 |  | The Eagle Nebula (M16) | A new look at the famous |
| 30 Jan 07 |  | G11.2-0.3 | The remains of a massive star that exploded. |
| 10 Jan 07 |  | Light Echo at Galactic Center | Like cold case investigators, astronomers have used NASA's Chandra X-ray Observatory to uncover evidence for a powerful outburst from the giant black hole at the Milky Way's center. |
| 09 Jan 07 |  | Kepler's Supernova Remnant | A supernova remnant believed to be created when a star exploded over 400 years ago. |
| 04 Jan 07 |  | DEM L238 and DEM L249 | DEM L238 and DEM L249 are two supernova remnants in the Large Magellanic Cloud. |
| 03 Jan 07 |  | NGC 4472 | Astronomers have found a black hole where few thought they could ever exist, inside a globular star cluster. |
