Local Void

<a href="/facts/Celestial_coordinate_system/23HhqvHj">Coordinates</a>:  <a href="http://www.wikisky.org/?ra=18.633333333333&de=18&zoom=6&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=1&show_galaxies=1&img_source=IMG_all">18h 38m 0s, +18° 0′ 0″</a>

<p>The Local Void is a vast, <a href="/facts/Void_(astronomy)/Ue7kyYf0">empty region</a> of <a href="/facts/Interstellar_medium/mokU0WEz">space</a>, lying adjacent to the <a href="/facts/Local_Group/kjUefCLr">Local Group</a>. Discovered by <a href="/facts/R._Brent_Tully/o4zjLx49">Brent Tully</a> and <a href="/facts/J._Richard_Fisher/P0lTVuG7">Rick Fisher</a> in 1987, the Local Void is now known to be composed of three separate sectors, separated by bridges of "wispy <a href="/facts/Galaxy_filament/MFPWn8pS">filaments</a>". The precise extent of the void is unknown, but it is at least 45 <a href="/facts/Parsec/SwSsk57J">Mpc</a> (150 million <a href="/facts/Light-year/IGc5NdQb">light-years</a>) across, and possibly 150 to 300 Mpc. The Local Void appears to have significantly fewer <a href="/facts/Galaxy/zCyUvEf7">galaxies</a> than expected from standard <a href="/facts/Cosmology/yM19zM7Y">cosmology</a>.
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Local Void open-in-new

Local Void