Didn't get the Interstellar ending? Neil deGrasse Tyson's here to help

If you're still wrestling with the way Interstellar ended, you might enjoy this handy video guide.

SPOILERS for Interstellar ahead, obviously. 

I first saw Interstellar at a screening for film critics, and as we all filed out of the theater I heard a guy who watches movies for a living say to his colleague "You know, if I'd done better in high school physics, I might've understood that." If you're a regular consumer of the timespace-contorting kind of sci-fi that Interstellar is, you might not have had that reaction, but it's become clear over the last week that plenty of people left the theater scratching their heads.

Among the most perplexing moments for these head scratchers, if not the most perplexing, is the scene in which Cooper (Matthew McConaughey) tumbles into a black hole and somehow finds himself in a physical space in which he can see the entire timeline of his daughter, Murph. Cooper moves through Murph's life, peeking in on her at various points, at first trying to send a message that he shouldn't take the interstellar voyage, then trying to help her solve an equation that will save humankind, all through the manipulation of gravity. 

If you're still wondering how such a thing is even possible, and why it unfolded in the way that it did, astrophysicist, author, TV host and geek icon Dr. Neil deGrasse Tyson is here to help. Tyson's already posted a lengthy Twitter reaction to the film, and now he's tackled the theoretical fourth- and fifth-dimension science behind Cooper's black hole exploits in a new video. 

"If you go to a higher dimension it's not unrealistic to think that you step out of the time dimension, and now you look at time as though we look at space," Tyson said as part of explaining just how Cooper is able to look at his past interactions with Murph the way it's depicted in the film. And as for exactly how Cooper's able to do this by accessing a black hole, Tyson chalks that up to an act of sci-fi imagination.

"We don't know what's in a black hole, so take it and run with it," he said.

Check out the whole video below.

(Via Indiewire)

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