... A Distant Galaxy in the Deep Field . ... Researchers believe that the faint reddish smudge indicated by the arrow in the image above is a candidate for the most distant known galaxy which may have existed only a few hundred million years after the Big Bang. Voyager's Preview of Galileo at Ganymede . ... In December of last year it arrived in the Jovian system, beginning its unprecedented, detailed exploration by dropping a probe into the gas giant's atmosphere. ... How often do stars explode? ...