The timeline of our observable Universe’s history. Image credit: NASA / WMAP Science Team.

The Multiverse for non-scientists

“Go, then. There are other worlds than these.” -Stephen King

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The Universe is out there, waiting for you to discover it.

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Ethan Siegel

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.