EarthSky Tonight—Tonight Oct. 27, Where is the Big Dipper on these autumn evenings?
However, Merak, Mizar, Alioth, Megrez and Phecda are part of a single star grouping
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However, Merak, Mizar, Alioth, Megrez and Phecda are part of a single star grouping
Arabian stargazers called Mizar and Alcor the “horse and rider.” These stars are a good test of the night’s viewing conditions: if you cannot see Alcor, there might be thin…
The ancient eye test for those wishing to join the Roman army was administered using stars in the handle of our modern-day Big Dipper. If you passed, you got a…