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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <html> <head> <meta name="Author" content="sdss-webmaster@sdss.org"> <meta name="Keywords" content="SDSS, Sloan, digital, survey, galaxy, galaxies, quasar, universe, telescope, astronomy, astrometry, spectroscopy, cosmology, large-scale structure, observatory, observatories, big bang, redshift, map"> <meta name="Description" content="Home page of the Sloan Digital Sky Survey"> <title>Sloan Digital Sky Survey</title> <link rel=StyleSheet href="/includes/sdss.css" type="text/css" media=screen>  <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); if(!ga.getByName) ga.create = undefined; //add this line to your GA snippet ga('create', 'UA-52386875-2', 'auto'); 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class="menu_section"><a href="/legacy/index.php" class="menu_section">Legacy Survey</a></td></tr> <tr><td class="menu_section"><a href="/segue/" class="menu_section">SEGUE</a></td></tr> <tr><td class="menu_section"><a href="/supernova/aboutsupernova.php" class="menu_section">Supernova Survey</a></td></tr> <tr><td class="menu_section"><a href="/collaboration" class="menu_section">Collaboration</a></td></tr> <tr><td class="menu_section"><a href="/publications" class="menu_section">Publications</a></td></tr> <tr><td class="menu_section"><a href="/contacts.php" class="menu_section">Contact Us</a></td></tr> <tr><td class="menu_section"><a href="/search.php" class="menu_section">Search</a></td></tr> </table> <img src="/includes/images/menu_bottom.jpg"> </td>  <td valign="top" width="100%" height="100%" bgcolor="#FFFFFF" style="padding:15px;">  <img src="/images/dot_clear.gif" width="100%" height="5"> <h2>Press Releases from Other Sources Using SDSS Data</h2> <ul> <li> <a href="https://phys.org/news/2010-04-watery-rocky-planets-common-milky.html"> Watery, rocky planets may be common in the Milky Way</a> (April 13, 2010) </li> <li> <a href="http://spitzer.caltech.edu/news/1078-ssc2010-03-NASA-s-Spitzer-Unearths-Primitive-Black-Holes"> NASA's Spitzer Unearths Primitive Black Holes</a> (March 17, 2010) </li> <li> <a href="http://www.nature.com/news/2010/100310/full/news.2010.113.html"> Einstein passes cosmic test</a> (March 10, 2010) </li> </ul> <a name=pressreleases></a><h2>SDSS Press Releases</h2> <ul> <li> <a href="/news/releases/fireworks.php"> Fireworks</a> (February 27, 2012) </li> <li> <a href="/news/releases/20090225.dust.php"> Colors of Quasars Reveal a Dusty Universe </a> (February 26, 2009) </li> <li> <a href="/news/releases/20080818.sq372_final.php"> See you again in 22,000 years: Astronomers find an unusual new denizen of the Solar System </a> (August 18, 2008) </li> <li> <a href="/news/releases/20080817.vpf_final.php"> Cosmic voids were emptied by gravity </a> (August 17, 2008) </li> <li> <a href="/news/releases/20080816.segue_final.php"> New Milky Way map reveals a complicated outer galaxy </a> (August 16, 2008) </li> <li> <a href="/news/releases/20080815.mission_final.php"> A giant astronomical survey completes its mission: A new mission begins </a> (August 15, 2008) </li> <li> <a href="/news/releases/20080529.mwmetals.php"> Astronomers map the metals in millions of Milky Way stars</a> (May 29, 2008) </li> <li> <a href="/news/releases/20080527.mwmass.php"> New measurements reveal slimmer Milky Way</a> (May 27, 2008) </li> <li> <a href="/news/releases/20080110.sdss3.php"> Dark energy, the Milky Way galaxy and giant planets: Sloan Digital Sky Survey continues</a> (January 10, 2008) </li> <li> <a href="/news/releases/20080108.blackholes.php"> SDSS reveals hidden population of powerful black holes</a> (January 9, 2008) </li> <li> <a href="/news/releases/20071212.dblhalo.php"> The Milky Way has a double halo</a> (December 12, 2007) </li> <li> <a href="/news/releases/20070829.googlesky.php"> Road map of the sky now comes with pictures</a> (August 29, 2007) </li> <li> <a href="/news/releases/20070808.galaxyzoo.php"> The Galaxy Zoo welcomes a flood of visitors</a> (August 8, 2007) </li> <li> <a href="/news/releases/20070628.dr6rlease.php"> SDSS-II releases 10 terabytes of data to the public</a> (June 28, 2007) </li> <li> <a href="/news/releases/20070209.quasar.php"> Distant quasars live in massive dark matter halos</a> (February 9, 2007) </li> <li> <a href="/news/releases/20070201.Gray.php"> Search continues for SDSS contributor Jim Gray</a> (February 1, 2007) </li> <li> <a href="/news/releases/20070109.dwarfs.php"> Sloan and the seven make that eight dwarfs</a> (January 9, 2007) </li> <li> <a href="/news/releases/20061108.8arc.php"> Gravity helps SDSS-II reveal a brilliant jewel of the early universe </a> (November 7, 2006) </li> <li> <a href="/news/releases/20060515.structure.php"> How big is big? Probing the conditions of the universe on the largest scales </a> (May 15, 2006) </li> <li> <a href="/news/releases/20060508.companions.php"> New Milky Way companions found: SDSS-II first to view two dim dwarf galaxies </a> (May 8, 2006) </li> <li> <a href="/news/releases/20060508.mergers.php"> Multiple galaxy mergers continue in the Milky Way </a> (May 8, 2006) </li> <li> <a href="releases/20060112.SN.php"> SDSS-II Supernova Survey explodes with new findings </a> (January 12, 2006) </li> <li> <a href="releases/20060111.SEGUE.php"> The Sloan Digital Sky Survey turns its eye on the galaxy </a> (January 11, 2006) </li> <li> <a href="releases/20060109.virgooverdensity.php"> The Sloan Digital Sky Survey reveals a new Milky Way neighbor </a> (January 9, 2006) </li> <li> <a href="releases/20050711.sdssII.php"> A New Survey SDSS-II will map the Universe, the Milky Way and dark energy </a> (July 11, 2005) </li> <li> <a href="releases/20050426.magnification.php"> SDSS uses 200,000 quasars to confirm Einstein's prediction of cosmic magnification </a> (April 26, 2005) </li> <li> <a href="releases/20050127.gunnprize.php"> Gunn honored by AAS and Royal Swedish Academy of Sciences </a> (January 27, 2005) </li> <li> <a href="releases/20050111.yardstick.php"> The Cosmic Yardstick Sloan Digital Sky Survey astronomers measure role of dark matter, dark energy and gravity in the distribution of galaxies </a> (January 11, 2005) </li> <li> <a href="releases/20050111.atlas.php"> A New Galaxy Atlas Sloan Digital Sky Survey findings comprise new compendium of galaxy families </a> (January 11, 2005) </li> <li> <a href="releases/20041020.companion.php"> Sloan Digital Sky Survey finds mysterious new Milky Way Companion: A building block of the Milky Way </a> (October 20, 2004) </li> <li><a href="releases/20040719.cosmicclump.php"> Cosmic Clumping: Sloan Digital Sky Survey measurements of gas between the galaxies bolsters the case for inflation and dark energy, and improves the case limiting neutrino mass </a> (July 19, 2004) </li> <li> <a href="releases/20040531.andromeda9.php">Andromeda 9 The faintest galaxy ever Sloan Digital Sky Survey discovers the lowest luminosity galaxy yet: Andromeda IX, a new satellite of M31 </a> (May 31, 2004) <li> <a href="releases/20040315.datarelease2.php">Sloan Digital Sky Survey releases six terabytes of data to public</a> (March 15, 2004) <li> <a href="releases/20040106.starpairs.php">Sloan Digital Sky Survey astronomers find wealth of new exotic star pairs</a> (January 6, 2004) <li> <a href="releases/20040105.andromeda.php">Could galactic find be Andromeda's food? Sloan Digital Sky Survey reveals giant clump of stars near the Andromeda galaxy</a> (January 5, 2004) <li> <a href="releases/20031217.lensing.php">Visual "mirages" probe distribution of dark matter</a> (December 17, 2003) <li> <a href="releases/20031028.powerspectrum.php">3D Map of universe bolsters case for dark energy and dark matter</a> (October 28, 2003) <li> <a href="releases/20030818.metalpoor.php">New Metal-poor Galaxies: The youngest in the universe?</a> (August 18, 2003) <li> <a href="releases/20030721.darkenergy.php">Dark Energy's Shadow: Sloan Digital Sky Survey detects physical evidence for dark energy</a> (July 19, 2003) <li> <a href="releases/20030715.blackhole.php">Link between black holes and galaxies discovered in our own backyard</a> (July 14, 2003) <li> <a href="releases/20030625.bahcall.php">SDSS Founder Bahcall honored with the Dan David Prize and the Franklin Medal in Physics</a> (June 25, 2003) <li> <a href="releases/20030625.gunn.php">Citing "profound influence on astronomy" Gunn receives first Joseph Weber Award from AAS</a> (June 25, 2003) <li> <a href="releases/20030625.baldwin.php">Baldwin remembered at Apace Point Observatory</a> (June 25, 2003) <li> <a href="releases/20030623.director.php">Kron named to succeed Peoples as SDSS director</a> (June 23, 2003) <li> <a href="releases/20030521.darkmatter.php">Sloan Digital Sky Survey probes dark matter theory</a> (May 21, 2003) <li> <a href= "releases/20030109.quasar.php">Three distant quasars found at edge of universe</a> (January 9, 2003) <li> <a href= "releases/20030106.milkyway.php">Distant ring of stars found circling the Milky Way</a> (January 6, 2003) <li> <a href = "releases/20020627.gunn_weber.php">Gunn wins first Weber Award from American Astronomical Society</a> (June 27, 2002) <li> <a href = "releases/20020603.pal5.php">Sky Survey unveils star cluster shredded by the Milky Way</a> (June 3, 2002) <li> <a href = "releases/20020109.model.php">Researchers say new star structures found in the Milky Way alter galactic model</a> (Jan 9, 2002) <li> <a href = "releases/20011108.afterglow.php">Afterglows the Hard Way: Fermilab scientists find the glow without the burst a first</a> (Nov 8, 2001) <li> <a href="releases/20011108.asteroid.php"> Sky Survey lowers estimate of asteroid impact risk</a> (Nov 7, 2001) <li> <a href="releases/20010803.darkage.php"> First Light: Astronomers use distant quasar to probe cosmic 'Dark Age,' universe origins</a> (Aug 3, 2001) <li> <a href="releases/20010605.edr.php">Early results from the Sloan Digital Sky Survey: From under our nose to the edge of the universe</a> (June 5, 2001) <li> <a href="releases/20000413.qso.php">Sloan Digital Sky Survey finds most distant object ever observed</a> (April 13, 2000) <li> <a href="releases/19990531.dwarf.php">Happy, Sleepy, Grumpy... Methane? Sloan Digital Sky Survey scientists discover new celestial dwarfs</a> (May 31, 1999) <li> <a href="releases/19981208.qso.php">Scientists of Sloan Digital Sky Survey discover most distant quasar</a> (December 8, 1998) <li> <a href="releases/19980608.fl.php">Historic new sky survey achieves first light</a> (June 8, 1998) <li> <a href="releases/19980211.spectro.php">Last piece for advanced new telescope heads for the mountain</a> (February 11, 1998) </ul> <a name=credits></a><h2>Credits</h2> <a href="../collaboration/credits.php">Sponsors, participating institutions, and acknowledging SDSS in publications</a> <h3><a href="articles.php">Older articles about the SDSS in the popular press</a></h3> <a href=/policies/press_release_policy.php>SDSS Policy for Press Releases</a>