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asterism    
n. 星群,三星符号

星群,三星符号

asterism
n 1: (mineralogy) a star-shaped figure with six rays that is
seen in some crystal structures under reflected or
transmitted light
2: (astronomy) a cluster of stars (or a small constellation)


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  • Asterism (astronomy) - Wikipedia
    An asterism is an observed pattern or group of stars in the sky Asterisms can be any identified star pattern, and therefore are a more general concept than the 88 formally defined constellations
  • The great asterism hunt - Astronomy Magazine
    An asterism is an unofficial group of stars recognized by (generally amateur) astronomers or the public They have been in a separate category than constellations since 1928
  • Asterism | Definition, Examples, Facts | Britannica
    An asterism can be part of a constellation, such as the Big Dipper, which is in the constellation Ursa Major, and can even span across constellations, such as the Summer Triangle, which is formed by the three bright stars Deneb, Altair, and Vega
  • What’s a constellation? What’s an asterism? - EarthSky
    An asterism is an obvious pattern or group of stars with a popular name Is it a constellation or an asterism? A constellation is a pattern of stars in the night sky
  • Asterisms: Definition, facts and examples | Space
    What's the difference between an asterism and constellation? Like constellations, asterisms are stars that join together to trace out pictures of familiar objects in the sky
  • ASTERISM Definition Meaning - Merriam-Webster
    On October evenings, when the trees have shed their leaves and stars become visible through the twigs, our best-known asterism, the Big Dipper, passes under the north pole
  • Asterisms – Constellation Guide
    However, the difference between the terms “constellation” and “asterism” remains simple: a constellation is an area of the sky and an asterism is a star pattern
  • Asterism hunt | Astronomy. com
    An asterism is a pseudo constellation It may be part of an officially recognized constellation like the Big Dipper in Ursa Major Or it might take stars from several groups
  • Constellations and asterisms: whats the difference?
    Many think of the three stars in Orion’s Belt (Alnitak, Alnilam and Mintaka) as another asterism This definition wraps each constellation around its stars and is particularly useful for identifying far away galaxies and finding our way back to them
  • What Are Asterisms? - timeanddate. com
    Any pattern of stars that is not a constellation can be an asterism Learn about famous asterisms and their importance for science and mythology





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