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—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…