Topics similar to or like Cosmic Calendar

Method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science. Wikipedia

  • History of astronomy

    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 with public and governmental astronomy. Not completely separated in Europe during the Copernican Revolution starting in 1543. Wikipedia

  • Loosely defined as Earth in its first one billion years, or gigayear. The “early Earth” encompasses approximately the first gigayear (Ga, 109 y) in the evolution of our planet, from its initial formation in the young Solar System at about 4.55 Ga to sometime in the Archean eon at about 3.5 Ga. On the geologic time scale, this comprises all of the Hadean eon (starting with the formation of the Earth about 4.6 billion years ago ), as well as the Eoarchean (starting 4 billion years ago) and part of the Paleoarchean (starting 3.6 billion years ago) eras of the Archean eon. Wikipedia

  • American theoretical astrophysicist and science writer, who studies Big Bang theory. In the past he has been a professor at Lewis & Clark College and a blogger at Starts With a Bang, on ScienceBlogs and also on since 2016. Wikipedia

  • Age of Earth

    Estimated to be 4.54 ± 0.05 billion years . This age may represent the age of the Earth's accretion, or core formation, or of the material from which the Earth formed. Wikipedia

  • Paleobiology

    Growing and comparatively new discipline which combines the methods and findings of the life science biology with the methods and findings of the earth science paleontology. Occasionally referred to as "geobiology". Wikipedia

  • Carl Sagan

    American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, poet, and science communicator. Research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Wikipedia


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