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Darkness is the condition resulting from a lack of illumination, or an absence of visible light. Human vision is unable to distinguish colors in conditions of very low luminance because the hue -sensitive photoreceptor cells on the retina are inactive when light levels are insufficient, in the range of visual perception referred to as scotopic ...
Under this scenario, dark energy would ultimately tear apart all gravitationally bound structures, including galaxies and solar systems, and eventually overcome the electrical and nuclear forces to tear apart atoms themselves, ending the universe in a "Big Rip". On the other hand, dark energy might dissipate with time or even become attractive.
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
The space-opera franchise Star Wars also depicts Light and Dark aspects in the form of the fictional energy field called The Force where there are two sides, light side and dark side wherein the protagonists, the Jedi, practice and propagate the use of the former, and the antagonists, the Sith, use the latter.
Hades, god of the underworld, whose domain included night and darkness; Hecate, the goddess of boundaries, crossroads, witchcraft, and ghosts, who was commonly associated with the moon; Nyx, goddess and personification of the night; Selene, Titaness goddess and personification of the moon
1) Clear soda is better for you than dark soda - FALSE In reality, one of the only differences between clear and dark soft drinks is that the clear ones don't usually contain caffeine, but the ...
In astronomy, dark matter is an invisible and hypothetical form of matter that does not interact with light or other electromagnetic radiation.Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be observed.
'darkness, gloom'), [2] or Erebos, is the personification of darkness. In Hesiod 's Theogony , he is the offspring of Chaos , and the father of Aether and Hemera (Day) by Nyx (Night); in other Greek cosmogonies, he is the father of Aether, Eros , and Metis , or the first ruler of the gods.