description Jellyfish Nebula (IC 443) Overview
The Jellyfish Nebula, or IC 443, is a supernova remnant in the constellation Gemini, near the star Eta Geminorum as seen from Earth. Its expanding shock front is interacting with surrounding atomic and molecular clouds, producing complex filaments visible at optical, infrared, radio, and X-ray wavelengths. The remnant also contains a compact pulsar wind nebula associated with the collapsed stellar core left by the explosion.
help Jellyfish Nebula (IC 443) FAQ
What is the Jellyfish Nebula?
The Jellyfish Nebula is the supernova remnant IC 443 in the constellation Gemini. It lies near Eta Geminorum as seen from Earth.
What is IC 443 interacting with?
The expanding shock front of IC 443 is interacting with surrounding atomic and molecular clouds. That interaction produces complex filaments visible at optical, infrared, and other wavelengths.
Is the Jellyfish Nebula a planetary nebula?
No. IC 443 is a supernova remnant, meaning it consists of expanding material and shock waves left by a stellar explosion.
Why does the Jellyfish Nebula have a filamentary appearance?
Its shock front moves through an uneven environment containing atomic and molecular clouds. The resulting changes in density and emission create the bright, tangled structures seen in images.
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