“If the expansion of the space of the universe is uniform in all directions, an observer located in anyone of the galaxies will see all other galaxies running away from him at velocities proportional to their distances from the observer.”
Source: The Creation of the Universe (1952), p. 31
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George Gamow 8
Russian-American physicist and science writer 1904–1968Related quotes
[Pavel Kroupa, The dark matter crisis: falsification of the current standard model of cosmology, 2012, http://arxiv.org/abs/1204.2546, arxiv.org, abstract]

Source: From Alchemy to Quarks (1994), p. 385
Do astronomical data contradict the existence of dynamically relevant cold or dark matter? (seminar talk at Columbia U. Astronomy Department), Pavel Kroupa, 16 Oct. 2014 http://www.astro.columbia.edu/event?eid=185,
[Pavel Kroupa, Has dogma derailed the scientific search for dark matter?, aeon.co, November 2016, https://aeon.co/ideas/has-dogma-derailed-the-scientific-search-for-dark-matter]

Joint memoir with Einstein (1932) as quoted by Gerald James Whitrow, The Structure of the Universe: An Introduction to Cosmology (1949)
Source: The most detailed map of galaxies, black holes and stars ever made https://www.ted.com/talks/juna_kollmeier_the_most_detailed_map_of_galaxies_black_holes_and_stars_ever_made (June 2019)