Wikipedia article of the day for March 21, 2021
Wikipedia article of the day is Sirius. Check it out: https://ift.tt/1viU2xi Summary: Sirius, designated Alpha Canis Majoris, is the brightest star in the night sky with a visual magnitude of −1.46. It is a close binary star system, consisting of Sirius A, a white main-sequence star, and a faint companion white dwarf, Sirius B, which was originally […]