NASA's Chandra Sees Eclipsing Planet in X-rays for First Time
An exoplanet in orbit around a star about 63 light years from Earth
View ArticleDwarf Galaxy Caught Ramming Into a Large Spiral
A giant cloud of superheated gas that is likely caused by a collision between galaxies.
View ArticleNASA'S Chandra Catches Our Galaxy's Giant Black Hole Rejecting Food
Astronomers using NASA's Chandra X-ray Observatory have taken a major step in explaining why material around the giant black hole at the center of the Milky Way Galaxy is extraordinarily faint in X-rays.
View ArticleClues to the Growth of the Colossus in Coma
A collection of thousands of galaxies about 320 million light years from Earth.
View ArticleNASA's Hubble and Chandra Find Evidence for Densest Nearby Galaxy
A galaxy about 54 million light years from Earth.
View ArticleNeutron Star Undergoes Wild Behavior Changes
These two images show a large change in X-ray brightness of a rapidly rotating neutron star, or pulsar, between 2006 and 2013.
View ArticleA Glimpse of the Violent Past of Milky Way's Giant Black Hole
This discovery comes from a new study of rapid variations in the X-ray emission from gas clouds surrounding the supermassive black hole Sgr A*
View ArticlePreserving the Legacy of the X-ray Universe
Every year, October is designated as American Archive Month.
View ArticleExploring the Third Dimension of Cassiopeia A
One of the most famous objects in the sky - the Cassiopeia A supernova remnant - will be on display like never before.
View ArticleNew Evidence For A Jet From Milky Way's Black Hole
New evidence has been uncovered for the presence of a jet of high-energy particles blasting out of the Milky Way's supermassive black hole.
View ArticleSupernova Blast Provides Clues to Age of Binary Star System
A neutron star and normal star binary pair about 26,000 light years away in the Milky Way galaxy.
View ArticleDoubling Down With Rare White Dwarf Systems
AM CVn are a rare class of objects where one white dwarf is pulling material from a compact companion star, such as a second white dwarf.
View ArticleDeath By Black Hole In Small Galaxy?
A bright, long duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy.
View ArticleExtreme Power of Black Hole Revealed
The black hole is in a galaxy cluster located about 3.9 billion light years from Earth.
View ArticleA New Look at an Old Friend
This galaxy, at a distance of about 12 million light years from Earth, contains a gargantuan jet blasting away from a central supermassive black hole.
View ArticleRunaway Pulsar Firing an Extraordinary Jet
NASA's Chandra X-ray Observatory has seen a fast-moving pulsar escaping from a supernova remnant while spewing out a record-breaking jet - the longest of any object in the Milky Way galaxy -- of...
View ArticleHardy Star Survives Supernova Blast
When a massive star runs out fuel, it collapses and explodes as a supernova. Although these explosions are extremely powerful, it is possible for a companion star to endure the blast.
View ArticleMonster "El Gordo" Galaxy Cluster is Bigger than Thought
This is a composite image of X-rays from Chandra and optical data from Hubble of the galaxy cluster ACT-CL J0102-4915, located about 7 billion light years from Earth.
View ArticleSupernova Cleans Up its Surroundings
Supernovas are the spectacular ends to the lives of many massive stars. These explosions can produce enormous amounts of energy and be as bright as an entire galaxy.
View ArticleProfessional and Amateur Astronomers Join Forces
Four images of galaxies that have been made using data from both amateur and professional telescopes.
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