R-class

R-class was a type of stellar classification used in the High Republic Era. Stars in this class were hot and had uniquely nitrogen-heavy compositions. R-class stars were extremely volatile when introduced to a significant amount of supercooled liquid tibanna, and doing so could create a chemical chain reaction inducing the star to nearly double in size and emit destructive radiation that would be lethal to any nearby lifeforms. Such a reaction nearly occurred to an R-class star in the Hetzal system during the Great Hyperspace Disaster, but was prevented by a significant Jedi effort.^[1]

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Appearances

• The High Republic: Light of the Jedi (and audiobook) (First appearance, simultaneous with The High Republic: The Great Jedi Rescue)
• The High Republic: The Great Jedi Rescue (and audiobook) (First pictured, in book)

Sources

• Avar Kriss | Characters of Star Wars: The High Republic on the official Star Wars YouTube channel (backup link) (Posted on StarWars.com)
• Star Wars: The High Republic Show: A Deep Dive Into Star Wars: The High Republic, Bringing A Younger Yoda to Life (in VR), and More! on the official Star Wars YouTube channel (backup link) (Posted on StarWars.com)
• Jedi Padawan Bell Zettifar | Characters of Star Wars the High Republic on the official Star Wars YouTube channel (backup link) (Posted on StarWars.com)

Notes and references