At times, Sirius is a nearly impossible binary star to split. Currently, the gap between the two stars is widening as they rotate around each other. It won’t start to close until 2025.

To find Adhara, first locate Sirius, then look just below to see ... which gives it a sparkling bluish cast." Adhara is a binary star system approximately 430 light-years from Earth.

The brightest star in the nighttime sky, Sirius, or the Dog Star ... will spend many millennia cooling their heels. Those in a binary star system may have a strong enough gravitational pull ...