A nebula was a cloud of interstellar gas and dust that appear as a bright colored patch. Notable examples included the Monsua, Kaliida, Metharian, Typhonic, Vulpinus, Queluhan and Ghost nebulae.
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- Star Wars: The Clone Wars – "Darkness on Umbara" (Mentioned only)
- Star Wars: Episode III Revenge of the Sith
- Lords of the Sith
- Tarkin (Mentioned only)
- Lost Stars
- Servants of the Empire: The Secret Academy (Mentioned only)
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