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  1. en.wikipedia.org › wiki › AstronomyAstronomy - Wikipedia

    Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution.

    • Astronomia

      Astronomia é uma ciência natural que estuda corpos celestes...

    • Portal:Astronomia

      Portal. : Astronomia. A Astronomia é uma ciência natural que...

    • Outline

      The following outline is provided as an overview of and...

    • Portal:Astronomy

      Astronomy is a natural science that studies celestial...

  2. Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, cosmological, calendrical, and astrological beliefs and practices of prehistory: vestiges of these are still found in astrology, a discipline long interwoven

  3. Astronomy is the scientific study of celestial bodies. Stars, galaxies, planets, moons, asteroids, comets and nebulae are studied, as are supernovae explosions, gamma ray bursts, and cosmic microwave background radiation. Astronomy includes the development, physics, chemistry, meteorology and movement of celestial bodies.