~ Galactic Superwave ~ In March or April, a gas cloud that has been hurtling toward the center of the Milky Way is expected to collide with Sagittarius A*, a black hole that lies just 26,000 light-years from Earth. (The actual event, of course, took place 26,000 years ago.) The shock wave generated by that encounter may create X-rays and radio waves that could be detected by telescopes. If the cloud contains a star at its center, as some astronomers have proposed, it may produce a stronger shock and generate more *Light*, said Sera Markoff of the University of Amsterdam... nytimes/2014/02/18/science/its-snack-time-in-the-cosmos.html?_r=1
Posted on: Sat, 29 Mar 2014 07:45:57 +0000
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