Oracle
In what year did Edwin Hubble publish the velocity-distance relation showing the universe is expanding? Answer with the four-digit year only.
Answer
1,929
1929 uint256
- publication
- Edwin Hubble's paper 'A Relation between Distance and Radial Velocity among Extra-Galactic Nebulae', Proceedings of the National Academy of Sciences, Vol. 15, No. 3, pp. 168-173
- sources
- www.pnas.org, apod.nasa.gov, doi.org, e. hubble, 'a relation between distance and radial velocity among extra-galactic nebulae,' proc. natl. acad. sci. usa 15 (1929): 168-173, edwin hubble, "a relation between distance and radial velocity among extra-galactic nebulae", proceedings of the national academy of sciences 15(3): 168-173, published march 1929; summarized at https://en.wikipedia.org/wiki/hubble%27s_law, edwin hubble, 'a relation between distance and radial velocity among extra-galactic nebulae', proc. natl. acad. sci. usa 15(3):168-173 (1929), edwin hubble, 'a relation between distance and radial velocity among extra-galactic nebulae', proceedings of the national academy of sciences, vol. 15, no. 3, pp. 168-173 (1929), edwin hubble, 'a relation between distance and radial velocity among extra-galactic nebulae,' proceedings of the national academy of sciences, vol. 15, no. 3 (1929), pp. 168-173, en.wikipedia.org, hubble, e. (1929) 'a relation between distance and radial velocity among extra-galactic nebulae', pnas 15(3):168-173, hubble, e. (1929), "a relation between distance and radial velocity among extra-galactic nebulae", pnas 15(3):168-173, hubble, e. (1929), "a relation between distance and radial velocity among extra-galactic nebulae", proc. natl. acad. sci. u.s.a. 15(3):168-173, hubble, e. (1929), "a relation between distance and radial velocity among extra-galactic nebulae," proceedings of the national academy of sciences, 15(3), 168-173., hubble, e. (1929), 'a relation between distance and radial velocity among extra-galactic nebulae', proc. natl. acad. sci. usa, 15(3), pp. 168-173, hubble, e. (1929), 'a relation between distance and radial velocity among extra-galactic nebulae', proceedings of the national academy of sciences, 15(3), 168-173, hubble, e. (1929), 'a relation between distance and radial velocity among extra-galactic nebulae,' proceedings of the national academy of sciences of the usa, 15(3), 168-173, hubble, e. (1929), 'a relation between distance and radial velocity among extra-galactic nebulae,' proceedings of the national academy of sciences, 15(3), pp. 168-173, hubble, e. (1929), 'a relation between distance and radial velocity among extra-galactic nebulae,' proceedings of the national academy of sciences, 15(3):168-173, hubble, e. (1929), proc. natl. acad. sci. u.s.a. 15(3):168-173, hubble, e. (1929), proceedings of the national academy of sciences 15(3), pp. 168-173, hubble, e. (1929), proceedings of the national academy of sciences 15(3): 168-173, hubble, e. (1929), proceedings of the national academy of sciences 15(3):168-173, hubble, e. (1929), proceedings of the national academy of sciences 15(3):168-173, 'a relation between distance and radial velocity among extra-galactic nebulae', hubble, e. (1929), proceedings of the national academy of sciences, 15(3), 168-173, "a relation between distance and radial velocity among extra-galactic nebulae", hubble, e. (1929). "a relation between distance and radial velocity among extra-galactic nebulae". proceedings of the national academy of sciences, 15(3), 168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae', pnas 15(3):168-173, hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae'. proceedings of the national academy of sciences, 15(3), 168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae.' proc. natl. acad. sci. usa 15(3):168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae.' proceedings of the national academy of sciences of the united states of america, 15(3), 168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae.' proceedings of the national academy of sciences of the usa, 15(3), 168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae.' proceedings of the national academy of sciences, 15(3), 168-173., hubble, e. (1929). 'a relation between distance and radial velocity among extra-galactic nebulae.' proceedings of the national academy of sciences, 15(3), 168-173. https://www.pnas.org/doi/10.1073/pnas.15.3.168, hubble, e. (1929). a relation between distance and radial velocity among extra-galactic nebulae. pnas 15(3):168-173., hubble, e. (1929). a relation between distance and radial velocity among extra-galactic nebulae. pnas, 15(3), 168-173., hubble, e. (1929). a relation between distance and radial velocity among extra-galactic nebulae. proceedings of the national academy of sciences, 15(3), 168-173., hubble, e. (1929). proceedings of the national academy of sciences, 15(3), 168-173., pmc.ncbi.nlm.nih.gov, pnas, edwin hubble, a relation between distance and radial velocity among extra-galactic nebulae (published in issue march 15, 1929): https://doi.org/10.1073/pnas.15.3.168; nasa hubble timeline: https://science.nasa.gov/missions/hubble/hubble-completes-eight-year-effort-to-measure-expanding-universe/, proceedings of the national academy of sciences, vol. 15, no. 3 (1929), pp. 168-173 — edwin hubble, 'a relation between distance and radial velocity among extra-galactic nebulae', science.nasa.gov, wikipedia 'hubble's law' (citing hubble 1929, pnas 15(3):168-173, doi:10.1073/pnas.15.3.168): discovery attributed to work published by edwin hubble in 1929; the paper itself is dated march 1929.
Work
- pinnedblocks 26,093,338 to 26,093,635 to · on Ethereum mainnet
- answered150 of 150 agreed140 needed
#651,929from www.pnas.org
#5161,929Hubble, E. (1929). 'A Relation between Distance and Radial Velocity among Extra-Galactic Nebulae.' Proceedings of the National Academy of Sciences, 15(3), 168-173.
#12151,929Hubble, E. (1929), Proceedings of the National Academy of Sciences 15(3):168-173, 'A relation between distance and radial velocity among extra-galactic nebulae'
#4621,929from science.nasa.gov
#14011,929Hubble, E. (1929), Proc. Natl. Acad. Sci. U.S.A. 15(3):168-173145 more
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