Our universe is filled with galaxies. Galaxies [
http://www.seds.org…] -- huge conglomerations of stars [
http://antwrp.gsfc.…], gas [
http://antwrp.gsfc.…], dust [
http://antwrp.gsfc.…] -- and mysterious dark matter [
http://chandra.harv…] are the basic building blocks of the large-scale universe [
http://antwrp.gsfc.…]. Although distant galaxies move away from each other as the universe expands [
http://csep10.phys.…], gravity attracts neighboring galaxies to each other, forming galaxy groups [
http://csep10.phys.…], clusters of galaxies [
http://antwrp.gsfc.…], and even larger expansive filaments. Some of these structures are visible on one of the most comprehensive maps of the sky ever made in galaxies: the APM galaxy survey map [
http://astro.nott.a…] completed in the early 1990s. Over 2 million galaxies are depicted above in a region 100 degrees across centered toward our Milky Way Galaxy [
http://www.seds.org…]'s south pole. Bright regions indicate more galaxies [
http://antwrp.gsfc.…], while bluer colors denote larger average galaxies. Dark ellipses have been cut away where bright local stars [
http://antwrp.gsfc.…] dominate the sky. Many scientific discoveries [
http://adsabs.harva…galaxies&txt_logic=O R&text=&nr_to_return =100&start_nr=1&star t_entry_day=&start_e ntry_mon=&start_entr y_year=&min_score=&j ou_pick=ALL&ref_stem s=&data_and=ALL&grou p_and=ALL&sort=SCORE &aut_syn=YES&ttl_syn =YES&txt_syn=YES&aut _wt=1.0&obj_wt=1.0&t tl_wt=0.3&txt_wt=3.0 &aut_wgt=YES&obj_wgt =YES&ttl_wgt=YES&txt _wgt=YES&ttl_sco=YES &txt_sco=YES&version =1 ] resulted from analyses of the map data, including that the universe [
http://antwrp.gsfc.…] was surprisingly complex on large scales.
Explanation
Our universe is filled with galaxies. Galaxies [
http://www.seds.org…] -- huge conglomerations of stars [
http://antwrp.gsfc.…], gas [
http://antwrp.gsfc.…], dust [
http://antwrp.gsfc.…] -- and mysterious dark matter [
http://chandra.harv…] are the basic building blocks of the large-scale universe [
http://antwrp.gsfc.…]. Although distant galaxies move away from each other as the universe expands [
http://csep10.phys.…], gravity attracts neighboring galaxies to each other, forming galaxy groups [
http://csep10.phys.…], clusters of galaxies [
http://antwrp.gsfc.…], and even larger expansive filaments. Some of these structures are visible on one of the most comprehensive maps of the sky ever made in galaxies: the APM galaxy survey map [
http://astro.nott.a…] completed in the early 1990s. Over 2 million galaxies are depicted above in a region 100 degrees across centered toward our Milky Way Galaxy [
http://www.seds.org…]'s south pole. Bright regions indicate more galaxies [
http://antwrp.gsfc.…], while bluer colors denote larger average galaxies. Dark ellipses have been cut away where bright local stars [
http://antwrp.gsfc.…] dominate the sky. Many scientific discoveries [
http://adsabs.harva…galaxies&txt_logic=O R&text=&nr_to_return =100&start_nr=1&star t_entry_day=&start_e ntry_mon=&start_entr y_year=&min_score=&j ou_pick=ALL&ref_stem s=&data_and=ALL&grou p_and=ALL&sort=SCORE &aut_syn=YES&ttl_syn =YES&txt_syn=YES&aut _wt=1.0&obj_wt=1.0&t tl_wt=0.3&txt_wt=3.0 &aut_wgt=YES&obj_wgt =YES&ttl_wgt=YES&txt _wgt=YES&ttl_sco=YES &txt_sco=YES&version =1 ] resulted from analyses of the map data, including that the universe [
http://antwrp.gsfc.…] was surprisingly complex on large scales.
Explanation
