... Supernova Remnant E0102 from Hubble . ... It's the blue wisp near the bottom that's the remnant of a tremendous recent supernova explosion. The large pink structure looming to the upper right is part of N76, a large star forming region in our neighboring Small Magellanic Cloud (SMC) galaxy. ... Eight Planets and New Solar System Designations . ... The Matter of the Bullet Cluster . ... Sandy Gas Jets Hypothesized on Mars . ... Ceres: Asteroid or Planet . ... Is Ceres an asteroid or a planet? ...