Speed of light (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Speed of light" in Simple English language version.

Last modified: 00:12:40, 14 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

43books.google.com

3^rd place

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33doi.org

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33semanticscholar.org

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11^th place

22web.archive.org

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21bnf.fr

61^st place

491^st place

11bipm.org

1,781^st place

678^th place

11hdl.handle.net

66^th place

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11univ-lyon1.fr

low place

11archive.org

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11zenodo.org

737^th place

632^nd place

11adsabs.harvard.edu

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11navy.mil

206^th place

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11npl.co.uk

low place

5,724^th place

adsabs.harvard.edu (Global: 14^th place; Simple English: 17^th place)

ui.adsabs.harvard.edu

Pitjeva, EV; Standish, EM (2009). "Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit". Celestial Mechanics and Dynamical Astronomy. 103 (4): 365–372. Bibcode:2009CeMDA.103..365P. doi:10.1007/s10569-009-9203-8. S2CID 121374703.

archive.org (Global: 6^th place; Simple English: 3^rd place)

"Touchant le mouvement de la lumiere trouvé par M. Rŏmer de l'Académie Royale des Sciences" (PDF). Journal des sçavans (in French): 233–36. 1676.
Translated in "On the motion of light by M. Romer". Philosophical Transactions of the Royal Society. 12 (136): 893–95. 1677. doi:10.1098/rstl.1677.0024. S2CID 186210345. (As reproduced in Hutton, C; Shaw, G (1809). "On the Motion of Light by M. Romer". In Pearson, R (ed.). The Philosophical Transactions of the Royal Society of London, from Their Commencement in 1665, in the Year 1800: Abridged. Vol. 2. London: C. & R. Baldwin. pp. 397–98.)
The account published in Journal des sçavans was based on a report that Rømer read to the French Academy of Sciences in November 1676 (Cohen, 1940, p. 346).

bipm.org (Global: 1,781^st place; Simple English: 678^th place)

SI Brochure: The International System of Units (SI) (PDF) (9 ed.), BIPM, 2019, p. 128, retrieved 2020-01-12

bnf.fr (Global: 61^st place; Simple English: 491^st place)

gallica.bnf.fr

Bradley, J (1729). "Account of a new discoved Motion of the Fix'd Stars". Philosophical Transactions. 35: 637–660.

books.google.com (Global: 3^rd place; Simple English: 4^th place)

Uzan, J-P; Leclercq, B (2008). The natural laws of the universe: understanding fundamental constants. Springer. pp. 43–4. ISBN 978-0387734545.
at most 20.5 arcseconds Duffett-Smith, P (1988). Practical astronomy with your calculator. Cambridge University Press. p. 62. ISBN 0521356997.
Parhami, B (1999). Introduction to parallel processing: algorithms and architectures. Plenum Press. p. 5. ISBN 9780306459702. and Imbs, D; Raynal, Michel (2009). "Software transactional memories: an approach for multicore programming". In Malyshkin, V (ed.). Parallel Computing Technologies. 10th International Conference, PaCT 2009, Novosibirsk, Russia, August 31-September 4, 2009. Springer. p. 26. ISBN 9783642032745.

doi.org (Global: 2^nd place; Simple English: 2^nd place)

Cohen, IB (1940). "Roemya and the first determination of the velocity of light (1676)". Isis. 31 (2): 327–79. doi:10.1086/347594. hdl:2027/uc1.b4375710. S2CID 145428377.
"Touchant le mouvement de la lumiere trouvé par M. Rŏmer de l'Académie Royale des Sciences" (PDF). Journal des sçavans (in French): 233–36. 1676.
Translated in "On the motion of light by M. Romer". Philosophical Transactions of the Royal Society. 12 (136): 893–95. 1677. doi:10.1098/rstl.1677.0024. S2CID 186210345. (As reproduced in Hutton, C; Shaw, G (1809). "On the Motion of Light by M. Romer". In Pearson, R (ed.). The Philosophical Transactions of the Royal Society of London, from Their Commencement in 1665, in the Year 1800: Abridged. Vol. 2. London: C. & R. Baldwin. pp. 397–98.)
The account published in Journal des sçavans was based on a report that Rømer read to the French Academy of Sciences in November 1676 (Cohen, 1940, p. 346).
Pitjeva, EV; Standish, EM (2009). "Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit". Celestial Mechanics and Dynamical Astronomy. 103 (4): 365–372. Bibcode:2009CeMDA.103..365P. doi:10.1007/s10569-009-9203-8. S2CID 121374703.

hdl.handle.net (Global: 66^th place; Simple English: 172^nd place)

Cohen, IB (1940). "Roemya and the first determination of the velocity of light (1676)". Isis. 31 (2): 327–79. doi:10.1086/347594. hdl:2027/uc1.b4375710. S2CID 145428377.

navy.mil (Global: 206^th place; Simple English: 340^th place)

maia.usno.navy.mil

IAU Working Group on Numerical Standards for Fundamental Astronomy. "IAU WG on NSFA Current Best Estimates". US Naval Observatory. Archived from the original on 2009-12-08. Retrieved 2009-09-25.

npl.co.uk (Global: low place; Simple English: 5,724^th place)

"NPL's Beginner's Guide to Length". UK National Physical Laboratory. Archived from the original on 2010-08-31. Retrieved 2009-10-28.

semanticscholar.org (Global: 15^th place; Simple English: 11^th place)

api.semanticscholar.org

Cohen, IB (1940). "Roemya and the first determination of the velocity of light (1676)". Isis. 31 (2): 327–79. doi:10.1086/347594. hdl:2027/uc1.b4375710. S2CID 145428377.
"Touchant le mouvement de la lumiere trouvé par M. Rŏmer de l'Académie Royale des Sciences" (PDF). Journal des sçavans (in French): 233–36. 1676.
Translated in "On the motion of light by M. Romer". Philosophical Transactions of the Royal Society. 12 (136): 893–95. 1677. doi:10.1098/rstl.1677.0024. S2CID 186210345. (As reproduced in Hutton, C; Shaw, G (1809). "On the Motion of Light by M. Romer". In Pearson, R (ed.). The Philosophical Transactions of the Royal Society of London, from Their Commencement in 1665, in the Year 1800: Abridged. Vol. 2. London: C. & R. Baldwin. pp. 397–98.)
The account published in Journal des sçavans was based on a report that Rømer read to the French Academy of Sciences in November 1676 (Cohen, 1940, p. 346).
Pitjeva, EV; Standish, EM (2009). "Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit". Celestial Mechanics and Dynamical Astronomy. 103 (4): 365–372. Bibcode:2009CeMDA.103..365P. doi:10.1007/s10569-009-9203-8. S2CID 121374703.

univ-lyon1.fr (Global: low place; Simple English: low place)

www-obs.univ-lyon1.fr

"Touchant le mouvement de la lumiere trouvé par M. Rŏmer de l'Académie Royale des Sciences" (PDF). Journal des sçavans (in French): 233–36. 1676.
Translated in "On the motion of light by M. Romer". Philosophical Transactions of the Royal Society. 12 (136): 893–95. 1677. doi:10.1098/rstl.1677.0024. S2CID 186210345. (As reproduced in Hutton, C; Shaw, G (1809). "On the Motion of Light by M. Romer". In Pearson, R (ed.). The Philosophical Transactions of the Royal Society of London, from Their Commencement in 1665, in the Year 1800: Abridged. Vol. 2. London: C. & R. Baldwin. pp. 397–98.)
The account published in Journal des sçavans was based on a report that Rømer read to the French Academy of Sciences in November 1676 (Cohen, 1940, p. 346).

web.archive.org (Global: 1^st place; Simple English: 1^st place)

IAU Working Group on Numerical Standards for Fundamental Astronomy. "IAU WG on NSFA Current Best Estimates". US Naval Observatory. Archived from the original on 2009-12-08. Retrieved 2009-09-25.
"NPL's Beginner's Guide to Length". UK National Physical Laboratory. Archived from the original on 2010-08-31. Retrieved 2009-10-28.

zenodo.org (Global: 737^th place; Simple English: 632^nd place)

Pitjeva, EV; Standish, EM (2009). "Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit". Celestial Mechanics and Dynamical Astronomy. 103 (4): 365–372. Bibcode:2009CeMDA.103..365P. doi:10.1007/s10569-009-9203-8. S2CID 121374703.

Speed of light (Simple English Wikipedia)

adsabs.harvard.edu (Global: 14th place; Simple English: 17th place)

ui.adsabs.harvard.edu

archive.org (Global: 6th place; Simple English: 3rd place)

bipm.org (Global: 1,781st place; Simple English: 678th place)

bnf.fr (Global: 61st place; Simple English: 491st place)

gallica.bnf.fr

books.google.com (Global: 3rd place; Simple English: 4th place)

doi.org (Global: 2nd place; Simple English: 2nd place)

hdl.handle.net (Global: 66th place; Simple English: 172nd place)

navy.mil (Global: 206th place; Simple English: 340th place)