Tuesday 8 May 2012
Milky Way's Supermassive Black Hole a Million Times Brighter 300 Years Ago (Today's Most Popular)
Milky Way's Supermassive Black Hole a Million Times Brighter 300 Years Ago (Today's Most Popular): Astronomers have long wondered why it is that the super-massive black hole in the center of our galaxy, known as Sagittarius A*, containing about 4 million times the mass of our Sun is relatively quiet. Despite its size, the energy...
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