Aurora (plural form:aurorae[1] orauroras) was a natural phenomenon known to occur on theplanetTiikae[2]Piu,[1] andKavith III.[3] Taking the appearance ofcolorful rainbows of radiation, they were visible in thesky at night. During theweeks she spent on Tiikae,[2] in231 BBY,[4]Sylvestri Yarrow regularly watched the aurora withJordanna Sparkburn.[2] The location Piu had an annual event called theGiganism Sacrifice during whichprayer-oolites would form aurorae. On one occasion during theImperial Era, thescholarKorin Aphra witnessed the Giganism Sacrifice, seeing aurorae formed by the oolites when the sacrifice hit the troposphere. He later recounted the event to his daughterChelli, wishing she had been there.[1]