• Thumbnail for Coma Berenices
    Stars and Planets. Boston, Massachusetts: Houghton Mifflin. Van Oppen de Ruiter 2015, p. 109. Gaius Julius Hyginus (1589). "2.24". Astronomica. [Heidelbergae]...
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  • Thumbnail for Jan Oort
    359–64 (1981). Oort, J.H., H. Arp, & H. de Ruiter, "Evidence for the Location of Quasars in Superclusters," Astronomy & Astrophysics 95, 7–13 (1981). Oort,...
    42 KB (5,627 words) - 09:08, 13 September 2024
  • Macarthur Astronomy Forum is a monthly public forum organised by Macarthur Astronomical Society, providing leading national and international professional...
    12 KB (1,104 words) - 23:59, 24 May 2024
  • Thumbnail for Galactic Center GeV excess
    Galactic Center GeV excess (category Gamma-ray astronomy)
    PMID 26894696. S2CID 217518922. Gautam, Anuj; Crocker, Roland M.; Ferrario, Lilia; Ruiter, Ashley J.; Ploeg, Harrison; Gordon, Chris; Macias, Oscar (28 April 2022)...
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  • Thumbnail for NGC 708
    Astronomy and Astrophysics Supplement Series. 105: 57–66. Bibcode:1994A&AS..105...57D. ISSN 0365-0138. Parma, P.; Morganti, R.; Fanti, R.; Ruiter, De;...
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  • Thumbnail for Het 4e Gymnasium
    Gymnasium moved to a permanent building in the Houthaven, designed by Paul de Ruiter Architects. This school building can hold approximately 800 students 52°23′N...
    3 KB (293 words) - 18:59, 2 March 2023
  • Cambridge University Press. p. 250. ISBN 978-1-107-16478-9. Van Oppen de Ruiter, Branko F. (2013). "Lagus and Arsinoe: An Exploration of Legendary Royal...
    6 KB (573 words) - 23:22, 15 January 2022
  • Thumbnail for MRC 2011-298
    galaxies". Astronomy and Astrophysics. 266: 127–139. Bibcode:1992A&A...266..127A. ISSN 0004-6361. Gregorini, L.; Vettolani, G.; de Ruiter, H. R.; Parma...
    15 KB (1,639 words) - 18:56, 20 August 2024
  • Thumbnail for NGC 7075
    Prandoni, Isabella; Laing, Robert A; Paladino, Rosita; Parma, Paola; de Ruiter, Hans; Mignano, Arturo; Davis, Timothy A; Bureau, Martin; Warren, Joshua...
    5 KB (415 words) - 03:17, 16 September 2024
  • Thumbnail for 4C +26.42
    Harris, D. E.; Parma, P.; de Ruiter, H. (1988-01-01). "Low luminosity radio galaxies : effects of gaseous environment". Astronomy and Astrophysics. 189: 11–26...
    21 KB (2,432 words) - 16:27, 16 September 2024