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Paul Cyr / Barcroft USA / Barcroft Media via Getty Images, Twtitter: @MSSpolitico

For astronomy lovers, the past few months have been very exciting, as we were treated not only to a rare total solar eclipse, but also nearly back-to-back supermoons.

Now we're in for perhaps the rarest treat of all: a super blue blood moon. That's definitely a mouthful.

But what exactly does it mean?

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