NASA's Chandra X-ray Observatory
By: Chandra X-ray Center Education & Outreach group (Website , RSS/Atom)

Since its launch on July 23, 1999, the Chandra X-ray Observatory has been NASA's flagship mission for X-ray astronomy, exploring such objects as black holes, exploding stars and clusters of galaxies.
Added on 1 Jan 2009, 00:00 UTC, last updated on 14 Feb 2019, 15:07 UTC
Latest News
- 14 Feb 2019, 15:00 UTC Where is the Universe Hiding its Missing Mass?
- 29 Jan 2019, 17:00 UTC Astronomers Find Dark Energy May Vary Over Time
- 9 Jan 2019, 22:32 UTC Ricocheting Black Hole Jet Discovered by Chandra
- 9 Jan 2019, 17:00 UTC Shredded Star Leads to Important Black Hole Discovery
- 17 Dec 2018, 19:00 UTC Chandra Serves up Cosmic Holiday Assortment
- 13 Dec 2018, 20:10 UTC Cosmic Fountain Powered by Giant Black Hole
- 4 Dec 2018, 15:09 UTC Double Trouble: A White Dwarf Surprises Astronomers
- 15 Nov 2018, 18:15 UTC To Boldly Go into Colliding Galaxy Clusters
- 18 Oct 2018, 17:00 UTC Milky Way's Youngest Pulsar Exposes Secrets of Star's Demise
- 16 Oct 2018, 15:00 UTC All in the Family: Kin of Gravitational-Wave Source Discovered
- 27 Sep 2018, 19:07 UTC Making Head or Tail of a Galactic Landscape
- 6 Sep 2018, 19:20 UTC Cosmic Collision Forges Galactic One Ring -- in X-rays
- 9 Aug 2018, 15:00 UTC Finding the Happy Medium of Black Holes
- 18 Jul 2018, 15:20 UTC Chandra May Have First Evidence of a Young Star Devouring a Planet
- 12 Jul 2018, 17:11 UTC "X"-ploring the Eagle Nebula and "Pillars of Creation"
- 21 Jun 2018, 15:00 UTC 'Red Nuggets' are Galactic Gold for Astronomers
- 18 Jun 2018, 17:00 UTC Star Shredded by Rare Breed of Black Hole
- 6 Jun 2018, 17:00 UTC Chandra Scouts Nearest Star System for Possible Hazards
- 31 May 2018, 17:00 UTC Gravitational Wave Event Likely Signaled Creation of a Black Hole
- 23 May 2018, 17:00 UTC Astronomers Spot a Distant and Lonely Neutron Star
- 9 May 2018, 15:00 UTC Black Hole Bounty Captured in the Milky Way Center
- 2 May 2018, 17:00 UTC Stellar Family Portrait in X-rays
- 3 Apr 2018, 17:00 UTC Scientists Surprised by Relentless Cosmic Cold Front
- 14 Mar 2018, 13:13 UTC A Crab Walks Through Time
- 1 Mar 2018, 16:13 UTC Beaming with the Light of Millions of Suns
- 15 Feb 2018, 16:10 UTC Supermassive Black Holes Are Outgrowing Their Galaxies
- 18 Jan 2018, 17:00 UTC Neutron-star merger yields new puzzle for astrophysicists
- 11 Jan 2018, 17:00 UTC Researchers Catch Supermassive Black Hole Burping — Twice
- 10 Jan 2018, 19:18 UTC Scientists Take Viewers to the Center of the Milky Way
- 19 Dec 2017, 18:16 UTC A New Twist in the Dark Matter Tale
- 12 Dec 2017, 18:00 UTC Chandra Reveals the Elementary Nature of Cassiopeia A
- 30 Nov 2017, 17:00 UTC Giant Black Hole Pair Photobombs Andromeda Galaxy
- 6 Nov 2017, 18:10 UTC The Dynamic Duo: Jupiter's Independently Pulsating X-ray Auroras
- 31 Oct 2017, 22:06 UTC A Fusion of Galaxy Clusters
- 3 Oct 2017, 17:00 UTC Seeing Double: Scientists Find Elusive Giant Black Hole Pairs
- 18 Sep 2017, 17:00 UTC Two Stars, Three Dimensions, and Oodles of Energy
- 6 Sep 2017, 17:00 UTC X-rays Reveal Temperament of Possible Planet-hosting Stars
- 10 Aug 2017, 18:10 UTC A Starburst Galaxy with the Prospect of Gravitational Waves
- 12 Jul 2017, 17:00 UTC Chandra Peers into a Nurturing Cloud
- 26 Jun 2017, 17:00 UTC Galactic Goulash
- 6 Jun 2017, 15:19 UTC Watching a Volatile Stellar Relationship
- 31 May 2017, 12:59 UTC Early Black Holes May Have Grown in Fits and Spurts
- 11 May 2017, 17:00 UTC Astronomers Pursue Renegade Supermassive Black Hole
- 10 May 2017, 17:00 UTC Observatories Combine to Crack Open the Crab Nebula
- 2 May 2017, 17:12 UTC Scientists Find Giant Wave Rolling through the Perseus Galaxy Cluster
- 28 Apr 2017, 15:38 UTC Is Dark Matter "Fuzzy"?
- 19 Apr 2017, 14:12 UTC The Arrhythmic Beating of a Black Hole Heart
- 30 Mar 2017, 18:06 UTC Mysterious Cosmic Explosion Puzzles Astronomers
- 13 Mar 2017, 17:10 UTC Star Discovered in Closest Known Orbit Around Likely Black Hole
- 24 Feb 2017, 15:10 UTC The Dawn of a New Era for Supernova 1987A