The International Astronomical Union divides the sky into several constellations.

The International Astronomical Union divides the sky into 88 constellations.

There are countless stars in the sky. In order to facilitate research and observation, people divide the starry sky into several regions, and each region is a constellation. In the second century BC, the whole day was divided into 48 constellations, and then about 40 constellations were added. 1930, the international astronomical society announced that it was listed as 88 constellations and constellation boundaries.

The International Astronomical Union (IAU) is a non-governmental academic organization composed of astronomical academic groups all over the world. Its purpose is to organize international academic exchanges, promote international cooperation and promote the development of astronomy. The International Astronomical Union was established in Brussels in July 19 19. IAU has 73 member countries, including most countries whose professional astronomical research has reached a high level. 10528 the direct participation of more than IAU members who are mainly engaged in various disciplines of ground and space astronomy.