Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light. The most prominent stars have been categorised into constellations …

Dec 20, 2025 · This article describes the properties and evolution of individual stars. Included in the discussion are the sizes, energetics, temperatures, masses, and chemical compositions of stars.

May 2, 2025 · Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements. Every star has its own life cycle, ranging from a few million to trillions of years, and …

Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores.

Nov 20, 2025 · Stars are spherical balls of hot, ionized gas (plasma) held together by their own gravity. Stars are the most fundamental building blocks of our universe.

Sep 21, 2024 · Stars are massive, luminous spheres of gas, mainly composed of hydrogen, with smaller amounts of helium and other elements. The lifespan of a star varies widely, generally ranging from …

Jun 3, 2025 · Stars are a fundamental component in the Universe and collectively form star clusters, galaxies and galaxy clusters. Find out more about star names, star clusters to see with the naked …

Mar 31, 2025 · This landscape of “mountains” and “valleys” speckled with glittering stars is actually the edge of a nearby, young, star-forming region... Astronomers using NASA’s Hubble Space Telescope …

Lists of stars The following are lists of stars. Stars are astronomical objects that spend some portion of their existence generating energy through thermonuclear fusion.

Dec 20, 2025 · Throughout the Milky Way Galaxy (and even near the Sun itself), astronomers have discovered stars that are well evolved or even approaching extinction, or both, as well as occasional …