... Hale-Bopp: The Crowd Pleaser Comet . ... In 1997, the bright comet Hale-Bopp may have become the most viewed comet in history -- visible even to casual skywatchers in light polluted cities around the globe. ... Pluto is the only planet in our Solar System remaining unphotographed by a passing spacecraft. Distant Pluto and its moon Charon therefore remain somewhat mysterious. ... M8: The Lagoon Nebula . ... The bright Lagoon Nebula is home to a diverse array of astronomical objects. ...