Fillers

SEEING STARS

BMJ 1995; 310 doi: http://dx.doi.org/10.1136/bmj.310.6975.297 (Published 04 February 1995) Cite this as: BMJ 1995;310:297
  1. Maurice Wooldridge

    The Arabic eye test revisited

    Go out on a clear evening with several friends and observe the Great Bear—Ursa Major. Ask your friends, presuming they have good vision with or without glasses, if they can see anything different or peculiar affecting the constellation, especially those stars forming the tail of the bear. It is guaranteed they will report that zeta Ursa Major is not one but two stars. These are “Mizar,” the larger of the two, and “Alcor.” The separation of these two stars …

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