the.com/mizar
the star that taught humans they could see double, literally.
means a multiple-star system in the Big Dipper's handle, famous as the first-ever binary star recognized by eye and telescope alike.
from named from arabic mi'zar meaning apron or wrap, mizar sits in ursa major's tail; ancient arab and native american tribes used it plus its dim companion alcor as a naked-eye eyesight test, and in 1650 astronomer riccioli spotted it as one of the first telescopic double stars.
eyesight testseeing alcor beside it meant good vision
actually sextuplemizar itself is four stars, not one
first photographedfirst star ever captured on film, 1857