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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 | Definition, Light, Names, Facts | Britannica
star, 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 composing the observable universe , only a very small percentage are visible to the naked eye
- Stars - NASA Science
Our Milky Way alone contains more than 100 billion, including our most well-studied star, the Sun Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements
- What Is a Star and How Does It Work? - ThoughtCo
The next phase in the star's evolution depends on its mass because that dictates how it will end A low-mass star, like our Sun, has a different fate from stars with higher masses It will blow off its outer layers, creating a planetary nebula with a white dwarf in the middle
- What is a Star? - Khan Academy
What is a Star? - Khan Academy
- Stars and Their Properties - How Stars Work | HowStuffWorks
Some stars are relatively close (the closest 30 stars are within 40 parsecs) and others are far, far away Astronomers can measure the distance by using a method called parallax, in which the change in a star's position in the sky is measured at
- 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
- Star Facts: The Basics of Star Names and Stellar Evolution
A star develops from a giant, slowly rotating cloud that is made up entirely or almost entirely of hydrogen and helium
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