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 …

Oct 27, 2025 · 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 …

May 2, 2025 · At the beginning of the end of a star’s life, its core runs out of hydrogen to convert into helium. The energy produced by fusion creates pressure inside the star that balances …

The meaning of STAR is a natural luminous body visible in the sky especially at night. How to use star in a sentence.

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Interactive night sky map for Chicago, Illinois, USA. Which planets, stars, constellations, and comets are visible tonight?

May 8, 2025 · 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.

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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.