Friday, July 13, 2018

Variable star R Aquarii, an interacting binary star system about 710 light years away, consists of a cool red giant star and hot and a dense white dwarf star in mutual orbit around their common center of mass. [3116 × 2049]


https://go.nasa.gov/2mgn92G via /r/spaceporn http://bit.ly/2uuvN1i