How many stars can we see with the naked eye when the sky is clear at night? Numerous!

In order to identify the stars easily, the ancients divided the celestial sphere into many regions, called constellations, with a total of 88 constellations. Each constellation can be identified by the special distribution of bright stars. Their boundary is roughly an arc parallel to and perpendicular to the celestial equator. China ancient starry sky is divided into three walls and twenty-eight houses. There are 6974 stars visible to the naked eye, but there are countless invisible stars. Some stars are far away from us, and now we see them.

There are countless stars in the sky, but what the naked eye can see is not as much as most people think. Astronomers classify stars visible to the naked eye into six grades. The first star is the brightest, and the sixth star is the darkest. The number of stars in each grade is: first-class star: 20; Two-star 46, Samsung134; Four stars 458; Five stars1476; Six stars 4840, * * * 6974 stars visible to the naked eye. In fact, one person sees less than half at the same time.