- 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
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
- What is a Star? Types, Life Cycle, and Fascinating Facts
What Is a Star? A star is a luminous sphere of plasma held together by gravity It generates energy through nuclear fusion in its core — a process in which lighter atomic nuclei (typically hydrogen) combine to form heavier nuclei (like helium), releasing immense amounts of energy in the process
- Stars | Astronomy. com
In this artist’s rendition, the newly discovered planet is shown as a hot, rocky, geologically-active world glowing in the deep red light of its nearby parent star, the M dwarf Gliese 876
- The Stars - Center for Planetary Sciences
A star begins as a collapsing cloud of material composed primarily of hydrogen, along with helium and trace amounts of heavier elements Once the stellar core is sufficiently dense, hydrogen becomes steadily converted into helium through nuclear fusion, releasing energy in the process
- What is a Star? - Universe Guide
The simplest way to describe a star is that it is a great ball of fire, but it is more complicated than that A star is a giant ball of hydrogen turning into helium through nuclear fusion
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