Astronomers report the brightest flash of light ever recorded from beyond the solar system. In just 0.2 second on Dec. 27, 2004, spacecraft detected a stellar outburst that radiated as much energy as the sun emits in 250,000 years.
Astronomers report the brightest flash of light ever recorded from beyond the solar system. In just 0.2 second on Dec. 27, 2004, spacecraft detected a stellar outburst that radiated as much energy as the sun emits in 250,000 years.