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- 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 Education
School districts throughout California have contracted STAR to provide tutoring in math, literacy and STEAM education with verified increases in test scores for over 20 years
- Star | Definition, Light, Names, Facts | Britannica
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
- Stars - NASA Science
A star’s gas provides its fuel, and its mass determines how rapidly it runs through its supply, with lower-mass stars burning longer, dimmer, and cooler than very massive stars
- What Is a Star and How Does It Work? - ThoughtCo
How does a star work? How do they form, live, and eventually die? Learn more about these distant objects and their major importance in the universe
- Stars—facts and information | National Geographic
These large, swelling stars are known as red giants But there are different ways a star’s life can end, and its fate depends on how massive the star is
- What Is a Star? | Scientific American
In a very broad sense, a star is simply one of those twinkling points of light you can see in the night sky But that’s not terribly satisfying in either lexicological or physical terms
- What is a star? - Cool Cosmos
A star is a huge sphere of very hot, glowing gas Stars produce their own light and energy by a process called nuclear fusion Fusion happens when lighter elements are forced to become heavier elements When this happens, a tremendous amount of energy is created causing the star to heat up and shine Stars come in a variety of sizes and colors
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