Two stars that appear close together when viewed from Earth, whether they are physically orbiting each other due to gravity or just appear close together in the sky.

The stars 织女星 zhī​nǚ​xīng and 牛郎星 niú​láng​xīng; often used to symbolize a married couple or lovers who meet once a year.

Genus of extinct star-shaped marine algae (calcareous nannoplankton)