Keyword: awoke

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  • Milky Way's monster black hole awoke 300 years ago

    04/15/2008 12:33:38 PM PDT · by NormsRevenge · 39 replies · 739+ views
    AFP on Yahoo ^ | 4/15/08 | AFP
    PARIS (AFP) - A black hole slumbering at the centre of our galaxy went into a "feeding frenzy" three centuries ago, the European Space Agency (ESA) said on Tuesday. Located around 26,000 light years from Earth, the black hole, known as Sagittarius A-star (Sgr A*), is a monster with a mass four million times that of the Sun. Japanese astronomers, using ESA's XMM-Newton orbital telescope and US and Japanese X-ray satellites, discovered that clouds of gas brightened and faded in X-ray light when they passed near Sgr A*'s maw, ESA said in a press release. The phenomenon is due to...