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  2. Cosmology - Wikipedia

    en.wikipedia.org/wiki/Cosmology

    Physical cosmology is a sub-branch of astronomy that is concerned with the universe as a whole. Modern physical cosmology is dominated by the Big Bang Theory which attempts to bring together observational astronomy and particle physics ; [ 5 ] [ 6 ] more specifically, a standard parameterization of the Big Bang with dark matter and dark energy ...

  3. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Cosmology is a branch of astronomy that studies the universe as a whole. Astronomy is one of the oldest natural sciences. The early civilizations in recorded history made methodical observations of the night sky .

  4. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...

  5. Cosmos - Wikipedia

    en.wikipedia.org/wiki/Cosmos

    Cosmology is a branch of metaphysics that deals with the nature of the universe, a theory or doctrine describing the natural order of the universe. [36] The basic definition of Cosmology is the science of the origin and development of the universe. In modern astronomy, the Big Bang theory is the dominant postulation.

  6. Astrology and astronomy - Wikipedia

    en.wikipedia.org/wiki/Astrology_and_astronomy

    Early science, particularly geometry and astronomy/astrology (astronomia), was connected to the divine for most medieval scholars.The compass in this 13th-century manuscript is a symbol of God's act of creation, as many believed that there was something intrinsically divine or perfect that could be found in circles.

  7. List of unsolved problems in astronomy - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.

  8. Observational cosmology - Wikipedia

    en.wikipedia.org/wiki/Observational_cosmology

    Observational cosmology is the study of the structure, the evolution and the origin of the universe through observation, using instruments such as telescopes and cosmic ray detectors. Early observations

  9. Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Astrophysics

    Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...