Mizar and Alcor, stars sometimes referred to as "the horse and the rider," serve as a vision test and an introduction to "double stars."
The post Meet Mizar and Alcor: The Horse and Rider appeared first on Sky & Telescope.
Mizar and Alcor, stars sometimes referred to as "the horse and the rider," serve as a vision test and an introduction to "double stars."
The post Meet Mizar and Alcor: The Horse and Rider appeared first on Sky & Telescope.