... Huygens Images Titan s Surface . ... The Trifid Nebula, aka M20, is easy to find with a small telescope, a well known stop in the nebula rich constellation Sagittarius. But where visible light pictures show the nebula divided into three parts by dark, obscuring dust lanes, this penetrating infrared image reveals filaments of luminous gas and newborn stars. ... Jupiters Rings Revealed . ... Jupiter's rings were discovered in 1979 by the passing Voyager 1 spacecraft, but their origin was a mystery. ...