Nearby is the Little Dipper. The North Star is at the end of the Little Dipper's handle. The North Star helped to guide people for hundreds of years. The constellations change positions with the seasons. Some constellations are seen at different times of the year.
Astronomers use huge telescopes in places called observatories for studying the stars.
You can also go to a planetarium to find out about stars. A projector shows the moving stars and planets on a domed ceiling.