Space / 2007-12-20
Dissecting the Wake of a Supernova Explosion
Dissecting the Wake of a Supernova Explosion
NASA's image library records Dissecting the Wake of a Supernova Explosion.
WHY IT’S INTERESTING
The elements and molecules that flew out of the Cassiopeia A star when it exploded about 300 years ago can be seen clearly for the first time in this plot of data, called a spectrum, taken by NASA Spitzer Space Telescope.