+25 Aldebaran Solar System 2023. The star came within 21.5 light years of the solar system. In 1718, the english astronomer and.
Web aldebaran is the brightest star (alpha) in the constellation of taurus (the bull). Its beautiful orange color is the sign of its rather cold surface (photosphere), from which the photons reach our eyes. Web aldebaran is a red giant, meaning that it is cooler than the sun with a surface temperature of 3,900 k, but its radius is about 44 times the sun's, so it is over 400 times as luminous.
