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 …

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5 days ago · 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 …

May 2, 2025 · Astronomers call stars that are stably undergoing nuclear fusion of hydrogen into helium main sequence star s.This is the longest phase of a star’s life. The star’s luminosity, …

What Is a Star and How Does It Work? - ThoughtCo

Sep 26, 2022 · An intermediate-mass star begins with a cloud that takes about 100,000 years to collapse into a protostar with a surface temperature of about 6,750 degrees F (3,725 degrees C).

Sep 27, 2024 · Star Micronics GB is the leading provider of CNC sliding head (Swiss-type) lathe solutions throughout the UK & Ireland. With a modern Technology Centre in Derbyshire and a …

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