没有多少个星座的英语翻译

There aren't many constellations.

The concept of constellations, or star patterns recognized by humans, has been around for millennia. These patterns are formed by groups of stars that appear close together when viewed from Earth. The ancient Greeks and other civilizations identified and named many of these constellations, which have since been cataloged and studied extensively.

In modern astronomy, the International Astronomical Union (IAU) officially recognizes 88 constellations. These are divided into two main groups: the 48 constellations of the ancient Greek tradition and the 40 constellations discovered in the Southern Hemisphere during the Age of Exploration. The IAU also recognizes three celestial coordinate systems based on these constellations: the ecliptic system, the equatorial system, and the galactic system.

The ecliptic system is based on the apparent path of the Sun across the sky over the course of a year, known as the ecliptic plane. This system includes 12 zodiac constellations, which are often associated with astrology. However, it's important to note that astrology is not considered a science and is not endorsed by the scientific community.

The equatorial system is based on the celestial equator, an imaginary line projected from the Earth's equator into space. This system divides the sky into northern and southern hemispheres, with each hemisphere containing 41 constellations.

The galactic system is based on the Milky Way galaxy, with constellations grouped according to their location within the galaxy. This system includes 29 constellations in the Northern Hemisphere and 21 in the Southern Hemisphere.

While there are only 88 officially recognized constellations, there are countless other star patterns and groupings that can be found in the night sky. Some of these are named after mythological figures, animals, objects, and even tools used by ancient peoples. Others are simply named after their shapes or positions in the sky.

In conclusion, while there are only 88 officially recognized constellations, the number of star patterns and groupings in the night sky is virtually limitless. These patterns have been observed and studied by humans for thousands of years, providing a rich tapestry of cultural and historical significance.