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High-Energy Astrophysics News

Welcome to our archive of past news articles.
You will find previous articles listed below from most the recent back to our first articles in 1996.


Link to article NASA's Swift Satellite Discovers New Kind of Black Hole Explosion
[27 December 2006]
- Scientists using NASA data are studying a newly recognized type of cosmic explosion called a hybrid gamma-ray burst. As with other gamma-ray bursts, this hybrid blast is likely signaling the birth of a new black hole.

Link to article NASA's Hubble Finds Evidence for Dark Energy in the Young Universe
[16 November 2006]
- Scientists using NASA's Hubble Space Telescope have discovered that dark energy is not a new constituent of space, but rather has been present for most of the Universe's history. Dark energy is a mysterious repulsive force that causes the Universe to expand at an increasing rate.

Link to article Monster of the Milky Way
NASA Black Hole Research is Focus of PBS NOVA special
[31 October 2006]
- A few years ago we didn't even know it was there. But now we know quite a bit about it: how much it weighs, how much it eats, and how it affects things near it. And we have a name for it, Sagittarius A*. But you can simply call it the monster black hole that lurks in the center of our galaxy.

Link to article Mug Shots of Supernovas Reveal Two Key Findings
[05 October 2006]
- Scientists using NASA's Swift satellite have observed two dozen new supernovae and have discovered never-before-seen properties, some of which run counter to prevailing theories.

Link to article Nobel Prize Awarded to Mather and Smoot for NASA's Picture of a Newborn Universe
[03 October 2006]
- The Royal Swedish Academy of Sciences has awarded the Nobel Prize in Physics for 2006 jointly to John C. Mather of NASA's Goddard Space Flight Center and George F. Smoot University of California, Berkeley. The Academy awarded them the prize "for their discovery of the blackbody form and anisotropy of the cosmic microwave background radiation".

Link to article Astronomers Find Direct Evidence of Dark Matter
[22 August 2006]
- A team of astronomers has seen direct evidence for the exisitence of dark matter in the collision of two large clusters of galaxies. Using NASA's Chandra X-ray Observatory, the team observed dark matter and normal matter being wrenched apart by this tremendous collision..

Link to article Scientists Find Infant Solar System Awash in Carbon
[25 July 2006]
- Scientists using NASA's Far Ultraviolet Spectroscopic Explorer, or FUSE, have discovered abundant amounts of carbon gas in a dusty disk surrounding a well-studied young star named Beta Pictoris.

Link to article NASA's Chandra Solves Black Hole Paradox
[26 June 2006]
- Black holes light up the universe and astronomers may finally know how. New data from NASA's Chandra X-ray Observatory show for the first time powerful magnetic fields are the key to these brilliant and startling light shows.

Link to article Scientists Predict Quakes on Pulsars
[05 June 2006]
- Scientists have discovered how to predict earthquake-like events in pulsars. These explosive episodes likely crack a pulsar's dense crust and momentarily bump up its spin rate.

Link to article Black Hole Simulations Take Us inside the Mind of Einstein
[10 May 2006]
- For years scientists trying to visualize the concept of gravitational waves churned by the collision of black holes have relied largely on artists' conceptions. Now, at long last, they have Einstein's conception.

Link to article Ringside Seat to the Universe's First Split Second
[20 March 2006]
- You don't get much closer to the big bang than this.

Scientists peering back to the oldest light in the universe have evidence to support the concept of inflation, which poses that the universe expanded many trillion times its size faster than a snap of the fingers at the outset of the big bang.

Link to article New Map of Milky Way Reveals Millions of Unseen Objects
[13 March 2006]
- Nearly 400 years after Galileo determined the wispy Milky Way actually comprises myriad individual stars, scientists using NASA's Rossi X-ray Timing Explorer have done the same for the "X-ray Milky Way."

Link to article NASA's Rossi X-ray Timing Explorer Marks 10 Years in Space
[09 January 2006]
- Among its most important observations, NASA's Rossi X-ray Timing Explorer has shown how time creeps to a halt near a black hole event horizon. Fittingly, the passing of time appears to have slowed for the satellite itself. The mission celebrates a remarkable ten years in orbit on December 30, 2005.

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A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

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