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Extreme Power of Black Hole Revealed
Astronomers have used NASA's Chandra X-ray Observatory and a suite of other telescopes to reveal one of the most powerful black holes known. The black hole has created enormous structures in the hot...
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Life Is Too Fast, Too Furious for This Runaway Galaxy
The spiral galaxy ESO 137-001 looks like a dandelion caught in a breeze in this new composite image from the Hubble Space Telescope and the Chandra X-ray Observatory.The galaxy is zooming toward the...
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Monster "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. This cluster has been nicknamed...
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Mysterious X-ray Signal Intrigues Astronomers
A new study of the Perseus galaxy cluster, shown in this image, using NASA's Chandra X-ray Observatory and 73 other clusters with ESA's XMM-Newton has revealed a mysterious X-ray signal in the data....
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A Flash in the Dark!
We are delighted to welcome Esra Bulbul as a guest blogger. Esra led the new study reporting evidence for a mysterious X-ray signal in galaxy clusters, leading to our latest press release. She earned...
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NASA's Chandra Observatory Identifies Impact of Cosmic Chaos on Star Birth
These two Chandra images of galaxy clusters - known as Perseus and Virgo - have provided direct evidence that turbulence is helping to prevent stars from forming. These new results could answer a...
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Heating from Cosmic Chaos
Irina ZhuravlevaWe are pleased to welcome Irina Zhuravleva as a guest blogger today. Irina is the first author of a new paper describing a crucial role of gas turbulence in interaction between...
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Chandra Weighs Most Massive Galaxy Cluster in Distant Universe
A newly discovered galaxy cluster is the most massive one ever detected with an age of 800 million years or younger. Using data from NASA's Chandra X-ray Observatory, astronomers have accurately...
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NASA's Chandra Observatory Finds Cosmic Showers Halt Galaxy Growth
This galaxy cluster comes from a sample of over 200 that were studied to determine how giant black holes at their centers affect the growth and evolution of their host galaxy, as reported in our latest...
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Dark Matter is Darker Than Once Thought
This panel of images represents a study of 72 colliding galaxy clusters conducted by a team of astronomers using NASA's Chandra X-ray Observatory and Hubble Space Telescope. The research sets new...
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Chandra Finds Evidence for Serial Black Hole Eruptions
Astronomers have used NASA's Chandra X-ray Observatory to show that multiple eruptions from a supermassive black hole over 50 million years have rearranged the cosmic landscape at the center of a...
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Chandra Data Suggest Giant Collision Triggered "Radio Phoenix"
Astronomers have found evidence for a faded electron cloud "coming back to life," much like the mythical phoenix, after two galaxy clusters collided. This "radio phoenix," so-called because the...
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A Fresh Perspective on an Extraordinary Cluster of Galaxies
Galaxy clusters are often described by superlatives. After all, they are huge conglomerations of galaxies, hot gas, and dark matter and represent the largest structures in the Universe held together...
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Banking X-ray Data for the Future
Archives, in their many forms, save information from today that people will want to access and study in the future. This is a critical function of all archives, but it is especially important when it...
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Where Alice in Wonderland Meets Albert Einestein
One hundred years ago this month, Albert Einstein published his theory of general relativity, one of the most important scientific achievements in the last century.A key result of Einstein's theory is...
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The Extraordinary Success of General Relativity
This month, people around the world are celebrating the hundredth anniversary of Albert Einstein’s Theory of General Relativity (GR). Although this theory can seem esoteric, it has an important...
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Chandra Finds Remarkable Galactic Ribbon Unfurled
An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from NASA's Chandra X-ray Observatory, as described in our latest press release. This ribbon, or...
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NASA's Great Observatories Weigh Massive Young Galaxy Cluster
Astronomers have made the most detailed study yet of an extremely massive young galaxy cluster using three of NASA's Great Observatories, as described in our latest press release [link to PR]. This...
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Telescopes Combine to Push Frontier on Galaxy Clusters
Galaxy clusters are enormous collections of hundreds or even thousands of galaxies and vast reservoirs of hot gas embedded in massive clouds of dark matter, invisible material that does not emit or...
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"Russian Doll" Galaxy Clusters Reveal Information About Dark Energy
We are happy to welcome Dr. Andrea Morandi as our guest blogger, who is giving us insight into his recent work on using galaxy clusters to investigate the nature of dark energy. Originally from Italy,...
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