Seven Sisters Photograph by Greg Parker, My Shot Also known as the Seven Sisters, the star cluster M45—seen in a picture submitted May 7 to National Geographic's My Shot—contains more than 3,000 stars and is one of the brightest clusters known,
Seven Sisters Photograph by Greg Parker, My Shot Also known as the Seven Sisters, the star cluster M45—seen in a picture submitted May 7 to National Geographic's My Shot—contains more than 3,000 stars and is one of the brightest clusters known,
