- Star - Wikipedia
A star is a luminous spheroid of plasma held together by self-gravity [1] The nearest star to Earth is the Sun Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light
- Star Symbol (★, ☆, ⚝) - Copy and Paste Text Symbols . . .
Copy and paste Star Symbol (★, ⋆, , , and more) Check Alt Codes and learn how to make specific symbols on the keyboard
- Star | Definition, Light, Names, Facts | Britannica
Star, any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources This article describes the properties and evolution of individual stars Included in the discussion are the sizes, energetics, temperatures, masses, and chemical compositions of stars
- Stars - NASA Science
Astronomers call stars that are stably undergoing nuclear fusion of hydrogen into helium main sequence star s This is the longest phase of a star’s life The star’s luminosity, size, and temperature will slowly change over millions or billions of years during this phase
- What Is a Star? | Types of Stars - Sky Telescope
A star’s color relies on its temperature: hotter stars emit bluer light and cooler stars emit redder light Temperature is also correlated to mass
- What Is a Star? | Scientific American
At the lower end, and to the bitter end, defining a star is tougher than you might expect
- Stars: Facts about stellar formation, history and classification
An intermediate-mass star begins with a cloud that takes about 100,000 years to collapse into a protostar with a surface temperature of about 6,750 degrees F (3,725 degrees C)
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