- 旋涡星云 xuánwōxīngyún spiral nebulaa type of galaxy with a spiral structure of stars and dust
- 准稳旋涡结构 zhǔnwěnxuánwōjiégòu quasi-stationary spiral structure(astrophysics) a theory used to explain the persistent spiral arms in galaxies
- 大旋涡 dàxuánwō maelstromlarge whirlpool; maelstrom
- 旋涡星系 xuánwōxīngxì spiral galaxya galaxy in which the stars and gas clouds are arranged in a spiral shape
- 旋涡状 xuánwōzhuàng spiral-shapedspiral-shaped; in the form of a whirlpool or vortex