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  • The axiomatic method was invented by the ancient Greeks as the proper way to organize and demonstrate inductive and deductive logical reasoning in th ...s of Natural Philosophy''', he stated that he intended to illustrate a new way of doing natural philosophy that overcomes some of the limitations of the a
    22 KB (3,450 words) - 10:16, 16 March 2018
  • ...]] lie within it; thus, almost all of the 3,000 objects in the image are [[galaxy|galaxies]], some of which are among the youngest and most distant known. By ...taken, a region in the south celestial hemisphere was imaged in a similar way and named the [[Hubble Deep Field South]]. The similarities between the two
    33 KB (4,612 words) - 12:32, 5 February 2018
  • ...ref>{{Cite journal|title=Constraints on the proper motion of the Andromeda galaxy based on the survival of its satellite M33 |pages=894–898 |author1=Abraha ...rotation of the universe and should not be included in the rotation of the galaxy itself. Based upon the laws of physics, a model is set up in which one para
    51 KB (7,987 words) - 15:47, 20 July 2017
  • # This [[Doppler shift]]-measured velocity, of various [[galaxy|galaxies]] receding from the Earth, is approximately [[Proportionality (mat ...in ([[kilometre|km]]/[[second|s]])/Mpc, thus giving the speed in km/s of a galaxy {{convert|1|Mpc|km|sigfig=3}} away. The reciprocal of ''H''<sub>0</sub> is
    62 KB (9,085 words) - 20:13, 4 February 2018
  • ...te (astronomy)|Great Debate]] of 1920, in the aftermath of which the Milky Way's status as but one of the Universe's many galaxies was established. From t ...tremely successful model, but retains some weaknesses (such as the [[dwarf galaxy problem]]). Research on extensions or modifications to Lambda-CDM, as well
    41 KB (6,072 words) - 19:16, 4 February 2018

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