On Jan. 9, skywatchers can watch the dark limb of the 82%-illuminated waxing gibbous moon creep across this beloved star cluster, popularly known as the "Seven Sisters." The details vary depending ...
So in total . (Photo by: Alan Dyer /VW PICS/Universal Images Group via Getty Images) The Pleiades, also known as the “Seven Sisters” and M45, is a open cluster of stars in the constellation ...