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Distances May Be Gauged Beyond Telescope's Reach With Gamma-Ray Bursts
Scientists Find Most Distant Soft Gamma-Ray Quasar Yet
Swift Satellite to Catch the Most Powerful Flashes of Light Known in the Universe
Astronomers Score a Hat Trick and Narrow Theory on Cosmic Ray Origin
Radio Plus X-ray Equals Black Hole Mass
First Catalogue of Unique Patch of Gamma-Ray Universe
Black Holes May Supply Up to Half the Universe's Energy Output
Search For Crushed Lonely Stars Continues
Matter's Final Plunge on Black Hole Roller Coaster Detected
Balloon-borne Instrument Searching for Antimatter
Astronomers Capture Galactic Light Show With X-Ray Satellite
New Findings Narrow Theories on Cosmic Ray Origin
Scientists Find Exotic X-Ray Bubbles in Their First Detailed Observation of a Neutron Star Surface
Pulsars More Complicated Than Previously Thought
New Class of "Mid-Size" Black Holes Discovered
Astronomers Detect Activity from "Quiet" Supermassive Black Holes
Astronomers Find First Observational Evidence for "Hypernova" Explosion
Astronomers Solve the Case of the Unknown Star Explosion, Discover Rare Coupling of Elements
Key Instrument For X-Ray Mission Delivered to Japan for Installation into Astro-E Spacecraft
NASA Plans New Observatory for Gamma Rays
Workshop Planned for Future Submillimeter Space Astronomy
Gamma Ray Burst Imaged for First Time
Winners of 1999 Rossi Prize for High Energy Astrophysics Announced
The Only Known Bursting Pulsar Provides Clues to Pulsar Nature
Catalog of Entire Gamma-Ray Sky Available
ROSAT X-ray Telescope Mission Comes to an End
Supermassive Black Hole Has X-ray Patterns Similar to Smaller Black Hole -- May Determine Black Hole Mass
Gamma Ray and X-Ray Telescopes Confirm a Young, Nearby, Previously Unknown Supernova Remnant
Workshop for Ultra Long Duration Balloons
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