• Thumbnail for John Stanley Plaskett
    John Stanley Plaskett CBE FRS (November 17, 1865 – October 17, 1941) was a Canadian astronomer. He worked as a machinist, and was offered a job as a mechanician...
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  • chess player Joel Plaskett (born 1974), Canadian rock musician John Stanley Plaskett (1865–1941), Canadian astronomer Joseph Plaskett (1918–2014), Canadian...
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  • Thumbnail for Plaskett's Star
    This system is named after John Stanley Plaskett, the Canadian astronomer who discovered its binary nature in 1922. Plaskett was assisted in his observations...
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  • Thumbnail for Proxima Centauri
    estimate for Proxima Centauri was obtained by the Canadian astronomer John Stanley Plaskett in 1925 using interferometry. The result was 207,000 miles (333...
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  • Thumbnail for NRC Herzberg Astronomy and Astrophysics Research Centre
    with Pan-Andromeda Archaeological Survey. The Plaskett Fellowship is named after John Stanley Plaskett and is awarded to an outstanding, recent doctoral...
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  • Thumbnail for Pollux (star)
    abundance. An old estimate for Pollux's diameter obtained in 1925 by John Stanley Plaskett via interferometry was 13 million miles (20.9 million km, or 18...
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  • Thumbnail for Rigel
    estimates, leading to lower radius estimates; a 1922 estimate by John Stanley Plaskett gave Rigel a diameter of 25 million miles, or approximately 28.9 R☉...
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  • asteroid was named after Canadian astronomers John Stanley Plaskett and Harry Hemley Plaskett. Plaskett is a member of the Gefion family (516), a large...
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  • Thumbnail for Saanich, British Columbia
    The Dominion Astrophysical Observatory telescope was designed by John Stanley Plaskett, an astronomer with the Department of the Interior in Ottawa. The...
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  • Thumbnail for Rumford Prize
    to researchers outside of the United States only twice—once to John Stanley Plaskett, from British Columbia, and once to a group of Canadian scientists...
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  • 1552–1622) John Stanley Plaskett (Canada, 1865–1941) Norman Robert Pogson (United Kingdom, 1829–1891) Christian Pollas (France, 1947–) John Pond (England...
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  • Society. Harry Hemley Plaskett was born in Toronto, Ontario on July 5, 1893. His parents were Rebecca Hemley and John Stanley Plaskett, who at the time was...
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  • Thumbnail for Y Cygni
    numerous times. The first of these studies was published in 1920 by John Stanley Plaskett. Extensive spectroscopic studies of Y Cyg were carried out as early...
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  • mass of about one hundred times that of the Sun. It is named after John Stanley Plaskett, the Canadian astronomer who discovered its binary nature in 1922...
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  • 28 May 1937 Basil Schonland The lightning discharge 5 June 1935 John Stanley Plaskett The dimensions and structure of the galaxy. 8 May 1934 Edwin Hubble...
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  • Planté (1834–1889) WGPSN Plaskett 81°38′N 176°43′E / 81.63°N 176.71°E / 81.63; 176.71 (Plaskett) 114.34 1976 John Stanley Plaskett (1865–1941) WGPSN Plato...
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  • the National Research Council John Stanley Plaskett (B.Sc. 1899) – astronomer who discovered the binary nature of Plaskett's star Eli Franklin Burton (B...
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  • Thumbnail for 1865 in Canada
    August 10 – James Wilson Morrice, painter (died 1924) November 17 – John Stanley Plaskett, astronomer (died 1941) December 25 – James Breakey, politician...
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  • Thumbnail for Gold Medal of the Royal Astronomical Society
    discovered in 1846, because many felt an award should jointly be made to John Couch Adams and Urbain Le Verrier. A controversy arose and no award was made...
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  • period included: Charles Augustus Chant, 1865–1956 (astronomy), John Stanley Plaskett, 1865–1941 (astronomy), Charles E. Saunders, 1867–1937 (botany)...
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  • Millman (1906–1990), Canadian astronomer MPC · 2904 2905 Plaskett 1982 BZ2 John Stanley Plaskett (1865–1941), Canadian astronomer MPC · 2905 2906 Caltech...
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  • Thumbnail for Henry Draper Medal
    p. 249. ISBN 0-8160-4639-5. Douglas, Allie (1956). The life of Arthur Stanley Eddington. Nelson. p. 127. Todd, Deborah; Angelo, Joseph (2005). A to Z...
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  • Thumbnail for 1941 in Canada
    Hearst, politician and 7th Premier of Ontario (b.1864) October 17 - John Stanley Plaskett, astronomer (b.1865) November 18 - Émile Nelligan, poet (b.1879)...
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  • Thumbnail for Savilian Professor of Astronomy
    of the Royal Astronomical Society: Charles Pritchard (1870–93), Harry Plaskett (1932–60) and Joseph Silk (1999–2012). The two Savilian chairs have been...
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  • +13.3 km/s. The binary nature of this system was discovered by John Stanley Plaskett and Reynold Kenneth Young in 1919 using radial velocity measurements...
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  • Louis Vessot King, FRSC 1933 - Joseph Burr Tyrrell, FRSC 1932 - John Stanley Plaskett, FRSC 1931 - Sir Frederick Banting, FRSC 1930 - Archibald Byron...
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  • William James Kessell, Public Trustee, State of New South Wales. John Stanley Plaskett FRS Director of Astrophysical Observatory, Dominion of Canada. Captain...
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  • Thumbnail for Dominion Astrophysical Observatory
    instrument is the 72-inch-aperture (1.83 m) Plaskett telescope, proposed and designed by John S. Plaskett in 1910 with the support of the International...
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  • Canal is an Event, while the Rideau Canal is a Site. The cairn and plaque to John McDonell (Aberchalder) does not refer to a National Historic Person, but...
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  • Leiper John James Rickard Macleod Sir Guy Anstruther Knox Marshall Sir Douglas Mawson James William McBain William Hobson Mills John Stanley Plaskett Henry...
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