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The first part of the book examines the claims made throughout history that Earth and the human species are unique. Sagan proposes two reasons for the persistence of the idea of a geocentric, or Earth-centered universe: human pride in our existence, and the threat of torturing those who dissented from it, particularly during the time of the Roman Inquisition.
Color diagram (World Book) 21: Anatomy 4 (Heart, lungs, kidneys and main blood vessels front) Color diagram (World Book) 22: Anatomy 5 (Internal organs back) Color diagram (World Book) 23: Anatomy 6 (Internal organs front) Color diagram (World Book) 24: Anatomy 7 : Color diagram (World Book) 25: Anatomy 8 (Muscles front) Color diagram (World ...
The concept was popularized by Carl Sagan in his 1977 book The Dragons of Eden and on his 1980 television series Cosmos. [2] Sagan goes on to extend the comparison in terms of surface area, explaining that if the Cosmic Calendar were scaled to the size of a football field, then "all of human history would occupy an area the size of [his] hand". [3]
Eventually, White wrote about the effect in his book The Overview Effect — Space Exploration and Human Evolution (1987), [13] which has a fourth edition (2021). [11] White's work did not attain broad influence until the 2010s—a period of increased societal divisions and a new prospect of private space travel. [14]
First full-disk black-and-white filtered [40] color picture of the Earth. [6] November 10, 1967 ATS-3: First full-disk "true color" [41] picture of the Earth; [42] subsequently used on the cover of the first Whole Earth Catalog. [43] [42] December 21, 1968 Apollo 8: First full-disk image of Earth from space taken by a person, probably by ...
The physical universe is defined as all of space and time [a] (collectively referred to as spacetime) and their contents. [10] Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
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Debates concerning the nature, essence and the mode of existence of space date back to antiquity; namely, to treatises like the Timaeus of Plato, or Socrates in his reflections on what the Greeks called khôra (i.e. "space"), or in the Physics of Aristotle (Book IV, Delta) in the definition of topos (i.e. place), or in the later "geometrical conception of place" as "space qua extension" in the ...