Tag - Visible Matter

Astronomers Finally Locate the Missing Half of the Universe’s Visible Matter

An artist's impression of the Milky Way's hydrogen halo, with the Magellanic Clouds at eight o'clock. (NASA/CXC/M.Weiss; NASA/CXC/Ohio State/A. Gupta et al)A new sky survey has revealed the long-sought whereabouts of half of the Universe’s visible matter—solving a mystery that had puzzled scientists for decades.The Hidden Clouds Around GalaxiesThis elusive matter turns out to be...