Nasa Solves Ancient Space Mystery
The ancient mystery of a bright exploding star has been solved by Nasa scientists. Nearly 2,000 years ago, in A.D. 185, Chinese astronomers spotted a “guest star” which appeared suddenly and remained in the night sky for 8 months. Now infrared observations by Nasa’s Spitzer Space Telescope and Wide-field Infrared Survey Explorer (WISE) show that [...]
