Yes, besides Polaris, there are other stars that can be used for navigation in the Northern Hemisphere. While Polaris, also known as the North Star, is the most commonly used star for celestial navigation in the Northern Hemisphere, there are other stars and constellations that can assist in determining direction and navigation.
Ursa Major (The Big Dipper): The stars of the Big Dipper, part of the Ursa Major constellation, can be used as pointers to locate Polaris. By drawing an imaginary line through the two outer stars of the Big Dipper's bowl and extending it, you can find Polaris, which lies roughly in line with these stars.
Cassiopeia: Cassiopeia is a prominent constellation in the Northern Hemisphere that resembles a "W" or "M" shape. It is visible year-round and can serve as a navigational guide. Cassiopeia can be used in conjunction with the Big Dipper to find Polaris. If you draw a line through the two stars at the end of the Big Dipper's bowl and extend it further, it will lead you to Cassiopeia.
Draco: The constellation Draco contains the star Thuban, which was the North Star around 4,000 years ago. While it is no longer the North Star due to the Earth's axial precession, it can still be used for historical navigation purposes or for understanding how the North Star has changed over time.
Other Circumpolar Stars: Apart from Polaris, there are several other stars near the celestial north pole that are part of the circumpolar region. These stars never dip below the horizon in the Northern Hemisphere and can be used for navigation. Examples include Kochab and Pherkad in the constellation Ursa Minor (the Little Dipper), which are often referred to as the "Guardians of the Pole."
While Polaris is generally the most convenient and reliable star for navigation due to its close alignment with the Earth's rotation axis, the above-mentioned stars and constellations can provide additional guidance and references for navigation in the Northern Hemisphere. It's worth noting that celestial navigation typically involves a combination of stars, celestial bodies, and navigational instruments to determine direction accurately.