The star Pherkad, which forms the lower outer corner of the Little Dipper’s bowl, is much bigger, brighter, and heavier than the Sun. Over a period of a few hours, though, its brightness varies by a few percent.
The star Pherkad, which forms the lower outer corner of the Little Dipper’s bowl, is much bigger, brighter, and heavier than the Sun. Over a period of a few hours, though, its brightness varies by a few percent.