... On The Trail Of A Fireball . ... This exceptionally bright fireball meteor trail was photographed with a fish-eye camera at a Czech Republic station of the European Fireball Network on January 21, 1999. ... STARDUST's goal is to capture dust from a comet's tail and return to planet Earth - the first sample return mission to a comet! ... Galaxies, like stars, frequently form groups. ... These bubbles measure 200,000 light-years across and surround the entire galaxy. ... Pluto: The Frozen Planet . ...