the.com/alcor
the faint star that ancient armies used as an eye exam.
means alcor is a dim star in the big dipper's handle, famous for being a naked-eye visual acuity test paired with its brighter neighbor mizar.
from named from arabic, roughly meaning the faint or forgotten one, since it hides so close to mizar that spotting it separately became a folk test of eyesight across ancient and medieval cultures.
arabic namemeans the faint one or the test
army legendroman soldiers screened recruits using it
actual distanceabout a quarter light-year from mizar
six stars totalalcor is itself a binary system
for instance
mizar and alcor — the original naked-eye double star pair, big dipper handle
alcor life extension — arizona cryonics company borrowed the star's name
native american riddle — algonquin tribes used it as a vision test too