A stellar explosion, the supernova is the sensational death of a star. Can shine as bright as 100 billion Suns and radiate as much energy as the Sun emits more than 10 million years.
Jets of high-energy light and matter are propelled into space and cause enormous bursts of gamma rays and emit intense X-ray radiation for thousands of years.
Astronomers believe this process creates the same building blocks of planets, people and plants. Meet the world’s leading supernova hunters, and take a look at recorded supernovas throughout history.
31 years ago, NASA experienced one of the greatest disasters in the history of the space program. The space shuttle Challenger broke apart just 73 seconds into the flight.The disas...