The meaning of stars

1, symbolic meaning: the star itself has a certain symbolic meaning. Such as the sun star, usually represents warmth, justice, light, truth, hope and so on. In China's classical poems, the sun also represents the monarch, while the other stars are that the sun is strong and the evening is late. Polaris represents the monarch and Beidou represents the great man.

2. Romance: Stars are synonymous with romance. On the edge of the Milky Way galaxy, 30,000 light-years away from the Earth, there are two giant galaxies performing "tango". These two galaxies are composed of billions of stars and gas clouds, both of which are spiral. The stars, gas and dust of the larger galaxy on the right form an "arm", which surrounds the smaller galaxy on the left and slowly puts on various beautiful dances under the interaction.

3. Hope of life: The stars represent the hope of life, like the Big Dipper that guides the direction in the night sky, which can lead the lost people out of the maze, so it has the meaning of life hope.

Star classification

1. Stars are divided into several categories: stars, planets, satellites, dwarf planets and small celestial bodies.

2. Stars are divided into stages: nova, main sequence star, red giant star and supernova.

3. Stars are divided into (brownish red) dwarfs, (blue, bluish white, yellow and red) giants and (blue, red) Supergiant star.

4. Stars are divided into O, B, A, F, G, K, M and additional types such as R, N and S according to their spectra.

5. Stars are divided into single star, double star, multi-star and cluster.

6. Other classifications of stars: invariant stars and variable stars.

7, variable stars are divided into: Cepheid variable stars, food variable stars.

8. Planets are divided into woody planets and terrestrial planets according to their composition and volume.