- Space
- By Tudor Vieru
- February 19th, 2014
Ultrasonic Shock Wave Found in Nearby Supernova Remnant
The wave is traveling at 1,000 times the speed of sound
- Space
- By Tudor Vieru
- December 13th, 2011
Tycho Blasts the Sky with High-Energy Gamma Rays
Its surroundings are flooded by powerful radiation emissions