Name a binary, or double star, consisting of two stars revolving round each other roughly every 80 years? A) Alpha stars B) Vesta C) Guna D) Alpha Centauri Related MCQs: Name a binary or double star consisting of two stars revolving around each other roughly over 80 years. Total number of planets revolving around the Sun are? What is called the round envelope of gas and vapour surrounding a planet and is retained by gravity ? The second nearest star to the earth after Sun is?