Bring the universe into your home with these star projectors. We've tested the ... and you can get a scientifically accurate planetarium-style model, matching what you'd see if you went outside ...

Wayne Schlingman, PhD, director of the Arne Slettebak Planetarium at The Ohio State University, breaks down the cause of the Aurora Borealis — and how it was possible to view the light display in your ...

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