... Star Atlas . ... Supernova showered Earth with radioactive debris . ... stars . ... Astronomers find super-Earth using amateur, off-the-shelf technology . ... They found the distant planet with a small fleet of ground-based telescopes no larger than those many amateur astronomers have in their backyards. Although the super-Earth is too hot to sustain life, the discovery shows that current, ground-based technologies are capable of finding almost-Earth-sized planets in warm, life-friendly orbits. ...