Sky Tonight—April 24, Kochab and Pherkad in the Little Dipper
Kochab and Pherkad served as twin pole stars from about 1500 BC to about 500 BC.
Earthsky Tonight—June 2: Little Dipper, Clipped wings of Draco the Dragon
According to the Greek geographer and historian Strabo (63 B.C. to A.D. 21?) these seven stars did not make up Ursa Minor (the Little Dipper) until 600 B.C. or so.…
Earthsky Tonight—April 7, 2010: Kochab and Pherkad in the Little Dipper
If you draw an imaginary line between the two outer stars in the bowl of the Big Dipper – and extend that line northward on the sky’s dome – you’ll…