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  • ...ysical [[physical cosmology|cosmological model]] of the universe that was, or still is, proposed as an alternative to the then-current standard model of ...weaknesses (such as the [[dwarf galaxy problem]]). Research on extensions or modifications to Lambda-CDM, as well as fundamentally different models, is
    41 KB (6,072 words) - 19:16, 4 February 2018
  • In [[physics]], the '''Lorentz transformation''' (or '''transformations''') are [[coordinate transformation]]s between two [[coo ...ent]] is something that happens at a point in space at an instant of time, or more formally a point in [[spacetime]]. The transformations connect the spa
    97 KB (14,188 words) - 15:44, 20 July 2017
  • ...space|deep space]] - extragalactic space, 10 [[Parsec|megaparsecs]] (Mpc) or more - are found to have a [[red shift]], interpreted as a relative velocit ...ift or a cosmological shift (or gravitational) due to the expanding space, or some combination of the two.<ref>
    62 KB (9,085 words) - 20:13, 4 February 2018
  • ...ell's theory into a theory of the motion of charged particles ("electrons" or "ions"), and their interaction with radiation. In 1895 Lorentz had introduc ...fluid, and if the fictitious fluid is indestructible—it's neither created or destroyed—then the motion of the center of mass frame remains uniform. Bu
    73 KB (10,374 words) - 11:55, 7 July 2017
  • ...Style and New Style dates|NS]] 4 January 1643<ref name="OSNS"/>) "an hour or two after midnight",<ref>{{cite web|title=Isaac Newton, horoscope for birth ...|Ball|1908|p=319}} His work on the subject usually referred to as fluxions or calculus, seen in a manuscript of October 1666, is now published among Newt
    109 KB (15,996 words) - 15:04, 19 July 2017
  • ...19th century the wave theory of light as a disturbance of a "light medium" or [[Luminiferous ether]] was widely accepted, the theory reaching its most de ...e specific aether models for all phenomena. Attempts to unify those models or to create a complete mechanical description of them did not succeed,<ref>Wh
    130 KB (18,278 words) - 13:48, 14 February 2019

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