A new image from Hubble might look like a deep-space jellyfish, but it’s not a sign of extraterrestrial life — in fact, it’s a planetary nebula called NGC 2022, located in the constellation of Orion (The Hunter). A planetary nebula is made of ionized gas which glows and creates an expanding shell.
Source: Hubble Captures a Beautiful Cosmic Jellyfish Made of Glowing Gas | Digital Trends
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