- Stars - NASA Science
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 its properties change as it ages
- Star | Definition, Light, Names, Facts | Britannica
Star, any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources 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
- Star - Wikipedia
Stars are not spread uniformly across the universe but are normally grouped into galaxies along with interstellar gas and dust A typical large galaxy like the Milky Way contains hundreds of billions of stars There are more than 2 trillion (10 12) galaxies, though most are less than 10% the mass of the Milky Way [107]
- Stars: Facts about stellar formation, history and classification
How are stars named? And what happens when they die? These star facts explain the science of the night sky
- Stars—facts and information | National Geographic
Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores Aside from our sun, the dots of light we see
- Stars | Astronomy. com
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
- Star Facts - Interesting Facts about Stars - Space Facts
Stars are luminous spheres made of plasma – a superheated gas threaded with a magnetic field They are made mostly of hydrogen, which stars fuse in their cores That process releases energy, which pushes against the weight of the outer layers of the star and keeps it stable
- Stars - WorldAtlas
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 several million to several trillion years
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