Black Hole In Milky Way Wakes Up After 26 Years

Geo Beats 2015-06-28

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Astronomers have been observing the recent activity of V404 Cygni, a system consisting of a black hole and companion star, which had been dormant for the past 26 years.

In space, a dormant system can reactivate at any time, even after decades of inactivity. 

One recent example is the reawakening of the V404 Cygni system, which consists of a black hole and an orbiting companion star. 

Astronomers noticed the pair had become energized for the first time in about 26 years. 

The initial signs included a flare of gamma rays noticed by a telescope on NASA's Swift satellite followed by an X-ray burst detected by the International Space Station. 

The scientific community has since rallied to observe the 

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