10 stunning images of galaxies by NASA Hubble Space Telescope
The Hubble Space Telescope has captured its best-ever image of the Antennae Galaxies. Previous images, taken in 1997 and 2006, were improved with upgrades from servicing missions. Hubble's 2006 image of NGC 1275 reveals cool filaments in hot gas, held by a magnetic field around the galaxy's central black hole.