“Double binary star.” Is he being redundant, or is there an established phenomenon wherein two binary star systems are in orbit around each other, making four stars in all?
Greg Cravens
August 05, 2017
September 12, 2017
September 19, 2017
September 30, 2017
“Double binary star.” Is he being redundant, or is there an established phenomenon wherein two binary star systems are in orbit around each other, making four stars in all?