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 …

Jun 11, 2025 · 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 …

Welcome to the State Tax Automated Research (STAR) System, your online policy resource center. The Comptroller of Public Accounts maintains the STAR system as a public service. …

May 2, 2025 · 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 …

May 8, 2025 · How does a star do this "stellar nucleosynthesis" and not blow itself apart in the process? The answer: hydrostatic equilibrium. That means gravity of the star's mass (which …

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 …

What is a Star? - Khan Academy

Apr 10, 2025 · 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.

May 21, 2018 · Star A star is a hot, roughly spherical ball of gas that shines as a result of nuclear fusion reactions in its core. Stars are one of the fundamental objects in the universe. …

Sep 26, 2022 · How are stars named? And what happens when they die? These star facts explain the science of the night sky.