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Bookmark or Share- Star - WikipediaStars 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]
- First Close-Up of Star Outside Our Galaxy Shows a Giant About to BlowWhen such big stars finally run out of the thermonuclear fuel that keeps their inner fires burning, their cores collapse. Some particularly massive stars vanish without further ado into black holes.
- Types of Stars | Stellar Classification, Lifecycle, and ChartsThere are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M. O and B are uncommon, very hot and bright. M stars are more common, cooler, and dim. The video below presents a helpful overview of the types of stars in the Universe.
- Star Types - Science@NASATypes of Stars The universe’s stars range in brightness, size, color, and behavior. Some types change into others very quickly, while others stay relatively unchanged over trillions of years. Main Sequence Stars A normal star forms from a clump of dust and gas in a stellar nursery.
- What Is a Star? | Types of Stars - Sky & TelescopeStars bring wonder to our night sky, but just what is a star, exactly? Find out how different types of stars produce light, heat, and heavy elements.
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