A supernova flash echoing through surrounding dust clouds has given astronomers a virtual time machine for studying the light from the explosion that nobody saw.
Read more: space.newscientist.com Dust clouds glow thanks to delayed "light echoes" from a supernova, 400 years after light from the original event washed over Earth (Images: X-ray: NASA/CXC/Rutgers/J...
Read more: www.newscientist.com This stunning visualisation of Cassiopeia A, the result of an explosion approximately 330 years ago, uses X-ray data from Chandra, infrared data from Spitzer and pre-ex...
Read more: www.newscientist.com This stunning visualisation of Cassiopeia A, the result of an explosion approximately 330 years ago, uses X-ray data from Chandra, infrared data from Spitzer and pre-ex...