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And they've become a lot more common since 2007.
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Supermassive Black Hole Seen Waking Up In Real Time In World First

Astronomers described witnessing the awakening of the giant as "unprecedented".
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Encounter Between Sun And "Something Outside The Solar System" May Have Dramatically Cooled Earth
It's possible our movement through the galaxy may affect our climate.
Robert Redfield was speaking to US network NewsNation on June 14.
And don't even think about packing marzipan.