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  2. Astraeus - Wikipedia

    en.wikipedia.org/wiki/Astraeus

    In Hesiod's Theogony, Astraeus and Eos produce the winds—namely Zephyrus, Boreas, and Notus—as well as Eosphorus and the stars. [5] A few sources mention another daughter, Astraea, the goddess of innocence and, occasionally, justice. [6] He is also sometimes associated with Aeolus, the Keeper of the Winds, since winds often increase around ...

  3. Sirius (mythology) - Wikipedia

    en.wikipedia.org/wiki/Sirius_(mythology)

    In Greek and Roman mythology and religion, Sirius (/ ˈ s ɪ r ɪ ə s /, SEE-ree-əss; Ancient Greek: Σείριος, romanized: Seírios, lit. 'scorching' pronounced) is the god and personification of the star Sirius, also known as the Dog Star, the brightest star in the night sky and the most prominent star in the constellation of Canis Major (or the Greater Dog). [1]

  4. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    A category of stars which form a continuous and distinctive band on plots of stellar temperature versus luminosity, in particular the Hertzsprung–Russell diagram. These stars are characterized by being in hydrostatic equilibrium and undergoing nuclear fusion of hydrogen-1 in their core region. The Sun is a main-sequence star.

  5. Opposition (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Opposition_(astronomy)

    Diagram of positional astronomy. In positional astronomy, two astronomical objects are said to be in opposition when they are on opposite sides of the celestial sphere, as observed from a given body (usually Earth).

  6. Star - Wikipedia

    en.wikipedia.org/wiki/Star

    Giant stars have a much lower surface gravity than do main sequence stars, while the opposite is the case for degenerate, compact stars such as white dwarfs. The surface gravity can influence the appearance of a star's spectrum, with higher gravity causing a broadening of the absorption lines .

  7. Thesaurus - Wikipedia

    en.wikipedia.org/wiki/Thesaurus

    A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.

  8. Olbers's paradox - Wikipedia

    en.wikipedia.org/wiki/Olbers's_Paradox

    The first one to address the problem of an infinite number of stars and the resulting heat in the Cosmos was Cosmas Indicopleustes, a 6th-century Greek monk from Alexandria, who states in his Topographia Christiana: "The crystal-made sky sustains the heat of the Sun, the moon, and the infinite number of stars; otherwise, it would have been full of fire, and it could melt or set on fire."

  9. List of light deities - Wikipedia

    en.wikipedia.org/wiki/List_of_light_deities

    Since stars give off light, star deities can also be included here. The following is a list of light deities in various mythologies. The following is a list of light deities in various mythologies. African