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Jun 17, 2024 · A star is 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 in the observable universe, only a very small percentage are visible to the naked eye.
- Pulsating Stars
Star - Pulsation, Variability, Luminosity: An impressive...
- Explosive Variables
Star - Explosive Variables: The evolution of a member of a...
- Distances to The Stars
Star - Measurement, Parallax, Light-Years: Distances to...
- Stellar Structure
Star - Fusion, Mass, Energy: To interpret a stellar spectrum...
- Stellar Positions
Star - Positions, Magnitude, Classification: Accurate...
- Stellar Interiors
Star - Fusion, Energy, Structure: Models of the internal...
- Stellar Colours
Star - Temperature, Spectral Types, Luminosity: Stars differ...
- Bulk Stellar Properties
Star - Mass, Luminosity, Age: Temperatures of stars can be...
- Pulsating Stars
Jul 4, 2024 · All official star names have been approved by the International Astronomical Union (IAU), the only internationally recognized body that can assign names and designations to stars, planets, and other celestial bodies.
3 days ago · The internationally recognized authority for naming celestial bodies is the International Astronomical Union (IAU). The International Astronomical Union maintains the Working Group on Star Names (WGSN) which catalogs and standardizes proper names for stars.
4 days ago · List. The classes of the stars and brown dwarfs are shown in the color of their spectral types (these colors are derived from conventional names for the spectral types and do not necessarily represent the star's observed color).
4 days ago · Ancient sky gazers applied the term planet to the seven celestial bodies that were observed to move appreciably against the background of the apparently fixed stars. These included the Sun and Earth’s Moon , as well as the five planets in the modern sense—Mercury, Venus, Mars, Jupiter, and Saturn—that were readily visible as celestial ...
- The Editors of Encyclopaedia Britannica
3 days ago · A galaxy is a massive system of stars, stellar remnants, gas, dust, and dark matter bound together by gravity. Explore celestial bodies: stars, planets, and galaxies. Learn their classifications, uses in astronomy, and fascinating examples.
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2 days ago · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
