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[–] RedditDead2005-2015 0 points 1 point (+1|-0) ago 

You mean it woke up about a million years ago and we're just seeing it now.

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[–] Kleyno 0 points 2 points (+2|-0) ago 

It's all relative.

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[–] syllovespan [S] ago 

And we're only seeing what it was up to 8,000 years ago. I had no idea black holes could disappear and reappear.

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[–] pentagonalface 0 points 1 point (+1|-0) ago 

It never disappeared, it just started absorbing material from it's companion star again, which it stopped doing for 26 years.

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[–] aFrenchGuy 0 points 1 point (+1|-0) ago 

"wakes up"...Of course, it's well known, blackholes have different states: Play, pause, rewind...