• Thumbnail for Walter Baade
    Wilhelm Heinrich Walter Baade (March 24, 1893 – June 25, 1960) was a German astronomer who worked in the United States from 1931 to 1959. Baade was born the...
    10 KB (821 words) - 16:41, 8 May 2024
  • Thumbnail for Magellan Telescopes
    the astronomer Walter Baade and the philanthropist Landon T. Clay. First light for the telescopes was on September 15, 2000 for the Baade, and September...
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  • Thumbnail for Baade's Window
    apparent Large Sagittarius Star Cloud visible. It is named for astronomer Walter Baade, who first recognized its significance. This area corresponds to one...
    5 KB (594 words) - 12:51, 7 March 2024
  • Thumbnail for Stellar population
    In 1944, Walter Baade categorized groups of stars within the Milky Way into stellar populations. In the abstract of the article by Baade, he recognizes...
    35 KB (3,543 words) - 15:27, 30 April 2024
  • Institute of Technology; the German-born Wilson Observatory-based astronomer Walter Baade was his advisor. During this time Sandage was a graduate student assistant...
    16 KB (1,702 words) - 04:51, 14 March 2024
  • Thumbnail for Andromeda Galaxy
    the Milky Way. In 1943, Walter Baade was the first person to resolve stars in the central region of the Andromeda Galaxy. Baade identified two distinct...
    108 KB (10,637 words) - 06:11, 13 May 2024
  • Thumbnail for W Virginis variable
    They were first recognized as being distinct from classical Cepheids by Walter Baade in 1942, in a study of Cepheids in the Andromeda Galaxy that proposed...
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  • Thumbnail for Cecilia Payne-Gaposchkin
    Observatory for ten years. She edited and published the lectures of Walter Baade as Evolution of Stars and Galaxies (1963). Payne's career marked a turning...
    40 KB (4,014 words) - 07:00, 10 May 2024
  • the importance of the negative hydrogen ion for stellar opacity 1952 — Walter Baade distinguishes between Cepheid I and Cepheid II variable stars 1953 —...
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  • Thumbnail for Supernova remnant
    connection between cosmic rays and supernovas was first suggested by Walter Baade and Fritz Zwicky in 1934. Vitaly Ginzburg and Sergei Syrovatskii in 1964...
    11 KB (1,236 words) - 11:35, 14 March 2024
  • Thumbnail for Planets beyond Neptune
    conjecture turns out to have been correct; it had been argued by astronomers Walter Baade and E.C. Bower as early as 1934. However, because Triton's mass was then...
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  • Thumbnail for Galactic Center
    the area blocked the view for optical astronomy. In the early 1940s Walter Baade at Mount Wilson Observatory took advantage of wartime blackout conditions...
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  • Thumbnail for De Stella Nova
    pp. 55–. ISBN 978-1-61530-884-2. Donald E. Osterbrock; Walter Baade (2001-10-14). Walter Baade: A Life in Astrophysics. Princeton University Press. pp...
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  • Thumbnail for History of supernova observation
    work on this new category of nova was performed during the 1930s by Walter Baade and Fritz Zwicky at Mount Wilson Observatory. They identified S Andromedae...
    45 KB (5,050 words) - 08:10, 13 May 2024
  • Thumbnail for Messier 87
    the spinning supermassive black hole. The German-American astronomer Walter Baade found that light from the jet was plane polarized, which suggests that...
    90 KB (9,560 words) - 14:42, 8 May 2024
  • Thumbnail for Pulsar
    at the Pulsars.' The existence of neutron stars was first proposed by Walter Baade and Fritz Zwicky in 1934, when they argued that a small, dense star consisting...
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  • meaning "Alpine valley" None Vallis Baade 45°54′S 76°12′W / 45.9°S 76.2°W / -45.9; -76.2 203 km Walter Baade Baade Vallis Bohr 12°24′N 86°36′W / 12...
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  • Thumbnail for Fritz Zwicky
    Walter Baade, Zwicky pioneered and promoted the use of the first Schmidt telescopes used in a mountain-top observatory in 1935. In 1934 he and Baade coined...
    41 KB (4,518 words) - 17:20, 14 May 2024
  • Thumbnail for Baade (crater)
    Baade is a lunar impact crater that is located near the southwest limb of the Moon on the near side, to the southwest of the enormous Mare Orientale impact...
    5 KB (399 words) - 01:44, 26 January 2024
  • Thumbnail for 1036 Ganymed
    1036 Ganymed (category Discoveries by Walter Baade)
    near-Earth object of the Amor group. It was discovered by German astronomer Walter Baade at the Bergedorf Observatory in Hamburg on 23 October 1924, and named...
    27 KB (1,998 words) - 08:03, 1 February 2024
  • Paul Baade (born 1940), American politician Paul W. Baade (1889–1959), American army officer Walter Baade (1893–1960), German astronomer Baade (disambiguation)...
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  • Vallis Baade is a 203 km long sinuous valley on the Moon running south-southeast from the crater Baade and centered at 45°54′S 76°12′W / 45.9°S 76.2°W...
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  • imply that all galaxies are moving away from each other. Astronomer Walter Baade recalculated the size of the known universe in the 1940s, doubling the...
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  • velocities of stars in the Milky Way and other galaxies starting with Walter Baade and Fritz Zwicky in the 1930s, along with observed velocities of galaxies...
    12 KB (1,479 words) - 15:39, 6 May 2024
  • The Baade-Wesselink method is a method for determining the distance of a Cepheid variable star suggested by Walter Baade in 1926 and further developed...
    3 KB (308 words) - 11:00, 19 August 2022
  • Thumbnail for Cepheid variable
    into different classes with very different properties. In the 1940s, Walter Baade recognized two separate populations of Cepheids (classical and type II)...
    37 KB (4,170 words) - 19:48, 20 April 2024
  • the Virgo Cluster are confined to a giant supercluster disk. 1954 — Walter Baade and Rudolph Minkowski identify the extragalactic optical counterpart...
    29 KB (3,276 words) - 09:52, 27 March 2024
  • Thumbnail for Crab Pulsar
    Crab Pulsar (redirect from Baade's star)
    The Crab Pulsar (PSR B0531+21 or Baade's Star) is a relatively young neutron star. The star is the central star in the Crab Nebula, a remnant of the supernova...
    22 KB (2,262 words) - 17:49, 29 April 2024
  • Thumbnail for Supernova
    novae, which are far less luminous. The word supernova was coined by Walter Baade and Fritz Zwicky, who began using it in astrophysics lectures in 1931...
    199 KB (21,758 words) - 13:08, 29 April 2024
  • primary minds behind the project were Edwin Hubble, Milton L. Humason, Walter Baade, Ira Sprague Bowen and Rudolph Minkowski. The first photographic plate...
    6 KB (791 words) - 19:44, 4 February 2024