— 3 Dec 2008 18:00 GMT |
Astronomy
This animation illustrates how a light echo works and how it can be used for time travel. A supernova explosion acts like…
— 31 Jul 2007 13:00 GMT |
Astronomy
A simulation of the Veil Supernova explosion (c) ESA/Hubble (M. Kornmesser and L. L. Christensen)…