- 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
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- Star | Definition, Light, Names, Facts | Britannica
What is a star? A star is any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources Of the tens of billions of trillions of stars in the observable universe, only a very small percentage are visible to the naked eye
- STAR Definition Meaning - Merriam-Webster
The meaning of STAR is a natural luminous body visible in the sky especially at night How to use star in a sentence
- Stars - NASA Science
Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements Every star has its own life cycle, ranging from a few million to trillions of years, and its properties change as it ages Stars form in large clouds of gas and dust called molecular clouds
- What is a star? | Space
It's easy enough to say what a star is: one of those bright pointy things that twinkle in the night sky But the actual definition of a star is as rich and colorful as the stars themselves
- What Is a Star? | Types of Stars - Sky Telescope
A star is a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity Nuclear fusion reactions in its core support the star against gravity and produce photons and heat, as well as small amounts of heavier elements
- What Is a Star? | Scientific American
Stars are massive, hot and roughly spherical They’re held together by their own gravity, and they consist of plasma (gas heated so much that electrons are stripped from its constituent atoms)
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