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  1. www.stellarinfo.com/StellarRecovery/Software

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  1. Dictionary
    stellar
    /ˈstɛlə/

    adjective

    • 1. relating to a star or stars: "stellar structure and evolution"
    • 2. featuring or having the quality of a star performer or performers: informal "a stellar cast had been assembled"

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  2. www.britannica.com › science › star-astronomyStar | Definition, Light, Names, & Facts | Britannica

    3 days ago · 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 the observable universe, only a very small percentage are visible to the naked eye. Many stars occur in pairs, multiple systems, or star clusters.

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  4. en.wikipedia.org › wiki › StarStar - Wikipedia

    4 days ago · Astronomers can determine stellar properties—including mass, age, metallicity (chemical composition), variability, distance, and motion through space—by carrying out observations of a star's apparent brightness, spectrum, and changes in its position in the sky over time.

  5. www.britannica.com › Stellar-spectraStar - Spectra, Classification, Evolution | Britannica

    4 days ago · As the electrons move closer to or farther from the nucleus of an atom (or of an ion), energy in the form of light (or other radiation) is emitted or absorbed.

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  7. www.britannica.com › science › star-astronomyStar formation and evolution - Encyclopedia Britannica

    3 days ago · stellar evolution. 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 stars that must be very young or still in the process of formation. Evolutionary effects on these stars are not negligible, even for a middle ...

  8. spaceplace.nasa.gov › constellations › enWhat Are Constellations? | NASA Space Place – NASA Science ...

    4 days ago · There are a few different definitions of constellations, but many people think of constellations as a group of stars. Often, it's a group of stars that looks like a particular shape in the sky and has been given a name. These stars are far away from Earth.

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  9. en.wikipedia.org › wiki › Stellar_classificationStellar classification - Wikipedia

    3 days ago · In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.

  10. spaceplace.nasa.gov › galaxy › enWhat Is a Galaxy? | NASA Space Place – NASA Science for Kids

    Aug 21, 2024 · The Short Answer: A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system. But where is our solar system? It’s a small part of the Milky Way Galaxy.

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