The stars in Aries are mainly white and yellow stars. The brightest star in the constellation is Hamal, which is a red giant star. Hamal is about 66 light years away from Earth. Other notable stars in Aries include Sheratan, which is a binary star system, and Mesarthim, which is a triple star system.
Aries is also home to a number of deep sky objects, including the Aries Cluster, which is a galaxy cluster, and the NGC 772, which is a spiral galaxy.