Alphecca, the crown jewel of the northern celestial crown, stands almost straight overhead a couple of hours after sunset. It consists of two stars, although they are so close to each other that their light merges to form a single pinpoint.
Alphecca, the crown jewel of the northern celestial crown, stands almost straight overhead a couple of hours after sunset. It consists of two stars, although they are so close to each other that their light merges to form a single pinpoint.