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Astronomers Get First Glimpse of Cosmic Web

Astronomers have for the first time captured a glimpse of the vast, web-like network of diffuse gas that links all of the galaxies in the cosmos. Leading cosmological theories suggest that galaxies are cocooned within gigantic, wispy filaments of gas. This “cosmic web” of gas-filled nebulas stretches between large, spacious voids that are tens of…

Smallest Galaxy Ever Discovered Bolsters Dark Matter Theory

  This week, astronomers announced that they have managed to weigh a minuscule galaxy that breaks the record for the smallest ever detected and may help shed light on mysterious dark matter. With only 1000 stars huddled together, this galactic featherweight dubbed Segue 2 has just enough mass  for dark matter to act as a…

A Grand Tour of the Universe

Armchair astronomers take note: This space atlas is for you. Yes, that kind of atlas—a series of maps and charts that evokes the ability to navigate a place, usually by ship or some sort of vehicle. The maps are remarkably detailed—Mercury’s surface incorporates the latest data from the orbiting Messenger spacecraft and the crater names might surprise you (Mark Twain, Botticelli, Dali, Shakespeare). On Venus nearly every feature is named after goddesses or famous women.