The Eridanus Void. This area shows almost no signs of cosmic matter, meaning no stars, planets, solar systems or clouds of cosmic dust. Researchers couldn't even find dark matter, which is invisible but measurable by matter once present in the region.
A picture from the International Space Station, provided Saturday by Dutch astronaut Andre Kuipers, shows southern lights between Antarctica and Australia. Photo by Reuters / Andre Kuiper / ESA / Nasa / Press Release