If you’re a Star Trek fan, you may think the above image portrays the “Nexus” from the movie Star Trek: Generations. In the film, the Nexus was a ribbon-like extra-dimensional realm that exists outside of normal space-time. But this is actually a real image from the venerable Hubble Space Telescope, of the Cygnus Loop. This … Continue reading "Hubble’s Photo of the Cygnus Loop is, Of Course, Incredible"