Alpha Sagittarii, also known as Ras Algethi, is the brightest star in the constellation Sagittarius. It is a red giant star located approximately 72 light-years away from Earth. With a magnitude of about 2.7, it is easily visible to the naked eye and serves as a prominent feature in the night sky. This star is classified as a spectral type M5 III, indicating its cool temperature and large size. Ras Algethi is part of a binary system, which means it has a companion star orbiting around it. Its distinct reddish hue makes it a favorite among stargazers and astronomers alike.