Elusive Jellyfish Nebula . ... Credit Copyright: Gerhard Bachmayer Explanation: Normally faint and elusive, the Jellyfish Nebula is caught in this alluring wide-field telescopic view. ... In fact, the cosmic jellyfish is seen to be part of bubble-shaped supernova remnant IC 443 , the expanding debris cloud from a massive star that exploded . Light from the explosion first reached planet Earth over 30,000 years ago. ... The Jellyfish Nebula is about 5,000 light-years away. ...