How many eyes can you wear at the bottom of the paper cup to observe what stars and constellations are?

This operation cannot observe what constellation the stars are.

The best way to observe constellations and stars is to observe the sky in an open place at night, away from light pollution. You can observe constellations and stars with astronomical telescope or naked eye. Constellation is a pattern composed of a specific group of stars, and the stars are the stars in the universe. Interested in constellations and stars, you can refer to astronomical books, astronomical websites or download astronomical applications to learn more about constellations and stars.