What are Some Different Types of Stars?

Stars are spherical light-emitting plasmas condensed by gravity. The sun is the star closest to Earth. Almost all the other stars that can be seen at night on the Earth are in the Milky Way, but due to the distance, these stars seem to be only fixed glowing points. Historically, those more prominent stars are grouped into constellations and constellations, and the brightest stars have proprietary traditional names. The catalog of stars assembled by astronomers provides many different criteria for naming stars. [1]

[héng xng]
Almost everything about a star depends on its initial mass, including essential characteristics such as luminosity and size, as well as evolution, lifetime, and ultimate fate.
In addition to individual stars, a binary star system can be two or more stars constrained by gravity and orbiting each other. The most common
Everything in the world is moving [6]
Stellar classification is a binary classification based on spectrum and photometry. In the popular simplified classification, the former can be distinguished by the color of stars, while the latter can be roughly divided into "giant stars" and "dwarfs". For example, the sun is a "
NO number
name
English star name
Constellation
Visible magnitude
Distance (light years)
---
sun
Sun
-------
-26.72
-------
1
Astronomers have always had different estimates of the number of stars in the universe. One of the most famous sayings is American astronomer
"100 Billion Suns" (1980)-(Rudolph Kippenhain, German Astrophysicist)
"Light from the Edge of the Universe" (1984)-(Rudolph Kipenhaan, German Astrophysicist)
"Structure and Evolution of Stars" (1990)-(Rudolf Kippenhaan, German Astrophysicist) [2]
Stellar Physics (2006)-(Huang Runqian, Chinese Astrophysicist)
A Brief History of Time (1988)-(Stephen Hawking, Professor, Cambridge University)

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