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Stellar Effervescence on Display
This composite image shows the superbubble DEM L50 (a.k.a. N186) located in the Large Magellanic Cloud about 160,000 light years from Earth. Superbubbles are found in regions where massive stars have...
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Taken Under the "Wing" of the Small Magellanic Cloud
The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. Even though it is a small, or so-called dwarf galaxy, the SMC is so bright that it is visible to the unaided eye...
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X-Ray Whispers In A Noisy Pub
We are delighted to welcome Katja Poppenhaeger as a guest blogger today. Katja is the first author of a new paper describing the first exoplanet transit ever seen in X-rays, the subject of our latest...
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Hardy 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. A team of...
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NASA's Chandra Delivers New Insight into Formation of Star Clusters
Stars are often born in clusters, in giant clouds of gas and dust. Astronomers have studied two star clusters using NASA's Chandra X-ray Observatory and infrared telescopes and the results show that...
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Core-Halo Age Gradients in Young Stellar Clusters
We are delighted to welcome a trio of guest bloggers to discuss their work related to the newest Chandra press release on star clusters and star formation. Konstantin Getman, Eric Feigelson, and...
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NASA's Chandra X-ray Observatory Finds Planet That Makes Star Act Deceptively...
A new study using data from NASA's Chandra X-ray Observatory has shown that a planet is making the star that it orbits act much older than it actually is, as explained in our latest press release. The...
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How a Planet Can Mess Up a Star's Looks
Note: An earlier version of this article appeared on Peter Edmonds' blog.Recently, beautiful photos of auroras have been in the news. These colorful light shows were generated by solar storms, and...
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Chandra's Archives Come to Life
Every year, NASA's Chandra X-ray Observatory looks at hundreds of objects throughout space to help expand our understanding of the Universe. Ultimately, these data are stored in the Chandra Data...
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Our Universe in Color
Today we released six new images from Chandra’s vast data archive. Each one of these astronomical images combines X-rays from Chandra with data from telescopes that detect different types of light such...
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White Dwarf May Have Shredded Passing Planet
The destruction of a planet may sound like the stuff of science fiction, but a team of astronomers has found evidence that this may have happened in an ancient cluster of stars at the edge of the...
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Stellar Sparklers That Last
While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time. NGC 1333 is a star cluster populated with many...
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More Than Meets the Eye: Delta Orionis in Orion's Belt
One of the most recognizable constellations in the sky is Orion, the Hunter. Among Orion's best-known features is the "belt," consisting of three bright stars in a line, each of which can be seen...
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Smaller Stars Pack Big X-ray Punch For Would-be Planets
Young stars much less massive than the Sun can unleash a torrent of X-ray radiation that can significantly shorten the lifetime of planet-forming disks surrounding these stars. This result comes from...
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Cygnus X-3 and Its Little Friend
Michael McColloughWe are pleased to welcome Dr. Michael McCollough as our guest blogger. Dr. McCollough is the first author of a paper that is the subject of our latest press release. He has spent the...
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NGC 6357: Cosmic 'Winter' Wonderland
Although there are no seasons in space, this cosmic vista invokes thoughts of a frosty winter landscape. It is, in fact, a region called NGC 6357 where radiation from hot, young stars is energizing the...
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Watching a Volatile Stellar Relationship
In biology, "symbiosis" refers to two organisms that live close to and interact with one another. Astronomers have long studied a class of stars – called symbiotic stars – that co-exist in a similar...
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W51: Chandra Peers into a Nurturing Cloud
In the context of space, the term 'cloud' can mean something rather different from the fluffy white collections of water in the sky or a way to store data or process information. Giant molecular clouds...
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X-rays Reveal Temperament of Possible Planet-hosting Stars
Illustration Credit: NASA/CXC/M.WeissA new study using data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton suggests X-rays emitted by a planet's host star may provide critical clues to just...
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Two Stars, Three Dimensions, and Oodles of Energy
For decades, astronomers have known about irregular outbursts from the double star system V745 Sco, which is located about 25,000 light years from Earth. Astronomers were caught by surprise when...
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