• Thumbnail for Sloan Digital Sky Survey
    The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope...
    34 KB (3,956 words) - 17:41, 30 June 2024
  • Thumbnail for Sloan Great Wall
    III, Mario Jurić, and their colleagues, based on data from the Sloan Digital Sky Survey. The wall measures 1.37 billion light-years (1.30×1025 m) in length...
    5 KB (544 words) - 08:56, 1 February 2024
  • Thumbnail for Baryon acoustic oscillations
    Sloan Digital Sky Survey astronomers measure role of dark matter, dark energy and gravity in the distribution of galaxies". Sloan Digital Sky Survey....
    26 KB (3,220 words) - 11:27, 21 June 2024
  • Thumbnail for Galaxy
    identifiers in sky surveys such as the Sloan Digital Sky Survey. Greek philosopher Democritus (450–370 BCE) proposed that the bright band on the night sky known...
    158 KB (15,899 words) - 22:10, 7 July 2024
  • of Technology, United States Sloan (band), a Canadian rock band Sloan Digital Sky Survey, a major astronomical survey Sloan Great Wall, a galactic filament...
    2 KB (240 words) - 21:20, 21 May 2024
  • Thumbnail for Void (astronomy)
    all known cosmic voids. 2009 – The Sloan Digital Sky Survey (SDSS) data combined with previous large-scale surveys now provide the most complete view...
    37 KB (4,529 words) - 01:09, 25 June 2024
  • Thumbnail for 2dF Galaxy Redshift Survey
    largest redshift survey between 1998 (overtaking Las Campanas Redshift Survey) and 2003 (overtaken by the Sloan Digital Sky Survey). Matthew Colless...
    6 KB (721 words) - 00:25, 24 May 2023
  • Thumbnail for Quasar
    doi:10.1086/185015. Xiaohu Fan; et al. (2001). "A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial...
    66 KB (7,916 words) - 22:03, 5 July 2024
  • Thumbnail for NASA WorldWind
    the Radio Sky at Twenty-cm) Footprint 500 m (Blue Marble Next Generation) 15 m (Landsat imagery; except for polar areas) U.S. USGS Digital Ortho: 1 m...
    20 KB (1,970 words) - 19:36, 28 May 2024
  • Thumbnail for Timeline of knowledge about galaxies, clusters of galaxies, and large-scale structure
    light-years away. 2020 — After a 20-year-long survey, astrophysicists of the Sloan Digital Sky Survey publish the largest, most detailed 3D map of the...
    29 KB (3,276 words) - 04:25, 1 July 2024
  • Thumbnail for Dark matter
    in 2005, in two large galaxy redshift surveys, the Sloan Digital Sky Survey and the 2dF Galaxy Redshift Survey. Combining the CMB observations with BAO...
    139 KB (15,090 words) - 11:17, 7 July 2024
  • the observable universe. It was discovered using data from the Sloan Digital Sky Survey by the team of Alexia M. Lopez, a doctoral candidate in cosmology...
    3 KB (321 words) - 09:27, 10 June 2024
  • by Ivana Damjanov found over 600 red nugget candidates in the Sloan Digital Sky Survey (SDSS) database, of which 9 were confirmed as red nuggets. These...
    9 KB (951 words) - 08:22, 29 October 2023
  • as Digitized Sky Survey (DSS2), are "non-commercial use". The DSS data rights are held by multiple institutions. Sloan Digital Sky Survey (SDSS) images...
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  • Thumbnail for White dwarf
    were known, and by 1999, over 2,000 were known. Since then the Sloan Digital Sky Survey has found over 9,000 white dwarfs, mostly new. Hertzsprung–Russell...
    163 KB (18,594 words) - 16:17, 19 June 2024
  • Guide Star Catalog Pan-STARRS Sloan Digital Sky Survey SkyMapper Two Micron All-Sky Survey B. Lasker, "Digitized Optical Surveys at STScI", STScI Newsletter...
    15 KB (1,679 words) - 22:59, 12 June 2024
  • Thumbnail for Redshift survey
    redshift surveys became feasible. Notable examples are the 2dF Galaxy Redshift Survey (221,000 redshifts, completed 2002); the Sloan Digital Sky Survey (approximately...
    9 KB (996 words) - 14:36, 14 June 2023
  • Thumbnail for Reionization
    Gunn-Peterson trough. In 2001, four quasars were detected by the Sloan Digital Sky Survey with redshifts ranging from z = 5.82 to z = 6.28. While the quasars...
    39 KB (4,601 words) - 06:02, 10 June 2024
  • FIRST survey 1997 — Two Micron All Sky Survey (2MASS) commences, first version of Hipparcos Catalogue published 1998 — Sloan Digital Sky Survey commences...
    10 KB (1,098 words) - 15:31, 4 February 2024
  • Whiteoak extension Southern Sky Survey Palomar Observatory Sky Survey II Two Micron All-Sky Survey Sloan Digital Sky Survey Minnesota Automated Plate Scanner...
    6 KB (791 words) - 19:44, 4 February 2024
  • Thumbnail for Galaxy filament
    Vol. 6 (2006), No. 1, 35–42 "Super-Large-Scale Structures in the Sloan Digital Sky Survey" (PDF). Archived (PDF) from the original on 2013-06-10. Retrieved...
    22 KB (1,823 words) - 09:27, 10 June 2024
  • Thumbnail for Supercluster
    "Identification of Superclusters and Their Properties in the Sloan Digital Sky Survey Using the WHL Cluster Catalog". The Astrophysical Journal. 958...
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  • Thumbnail for TON 618
    the nature of this object was unknown when it was first noted in a 1957 survey of faint blue stars (mainly white dwarfs) that lie away from the plane of...
    17 KB (1,819 words) - 09:38, 5 July 2024
  • Thumbnail for Galaxy color–magnitude diagram
    the COMBO-17 survey that clarified the bimodal distribution of red and blue galaxies as seen in the analysis of Sloan Digital Sky Survey data and even...
    5 KB (586 words) - 17:40, 19 February 2024
  • Thumbnail for Astronomical survey
    1997 and 2002 Sloan Digital Sky Survey (SDSS) – an optical and spectroscopic survey, 2000–2006 (first pass) Photopic Sky Survey – a survey with 37,440 individual...
    16 KB (1,854 words) - 16:07, 29 June 2024
  • Matter model. The scientific consensus interpretation is that the Sloan Digital Sky Survey (SDSS) suggests that things do indeed smooth out above 100 Megaparsecs...
    9 KB (1,182 words) - 04:39, 10 June 2024
  • Sloan Digital Sky Survey Discover Most Distant Quasar Dec 1998 Fan, Xiaohui; et al. (January 2001). "High-Redshift Quasars Found in Sloan Digital Sky...
    69 KB (4,723 words) - 07:56, 22 June 2024
  • Thumbnail for Alex Szalay
    Advisory Council of the Large Synoptic Survey Telescope. A minor planet discovered by the Sloan Digital Sky Survey at Apache Point Observatory was named...
    30 KB (3,132 words) - 12:17, 10 April 2024
  • Thumbnail for Observable universe
    in the constellation Boötes from observations captured by the Sloan Digital Sky Survey. The End of Greatness is an observational scale discovered at roughly...
    65 KB (6,727 words) - 13:27, 27 June 2024
  • Thumbnail for Palomar Observatory
    completed, the Sloan Digital Sky Survey will surpass POSS I and POSS II in depth, although the POSS covers almost 2.5 times more area on the sky. POSS II also...
    33 KB (3,152 words) - 03:00, 4 July 2024