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Lists of astronomical objects. Selection of astronomical bodies and objects: Moon Mimas and Ida, an asteroid with its own moon, Dactyl. Comet Lovejoy and Jupiter, a giant gas planet. The Sun; Sirius A with Sirius B, a white dwarf; the Crab Nebula, a remnant supernova.
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 composing the observable universe, only a very small percentage are visible to the naked eye.
- The Editors of Encyclopaedia Britannica
Of the roughly 10,000 stars visible to the naked eye, only a few hundred have been given proper names in the history of astronomy. [a] Traditional astronomy tends to group stars into constellations or asterisms and give proper names to those, not to individual stars. Many star names are, in origin, descriptive of the part in the constellation ...
Celestial nomenclature has long been a controversial topic. At its inaugural meeting in 1922 in Rome, the IAU standardized the constellation names and abbreviations. More recently IAU Committees or Working Groups have given or certified the names of astronomical objects and features.
Mar 13, 2024 · Celestial objects, also known as astronomical objects, are physical entities, associations, or structures that current science has identified in the observable universe. They range from individual planets, stars, and moons to larger structures like galaxies and beyond.
Learn what are celestial bodies or heavenly bodies and their types, such as stars, planets, satellites, comets, asteroids, meteors and galaxies. Find out the names and features of some common celestial bodies and take a quiz to test your knowledge.
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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.
