On the one hand, they got a big detail about their dragons absolutely right… but on the other, they also got something glaringly wrong when it comes to how chains work.
Tyson, the best-selling author and director of the Hayden Planetarium at the American Museum of Natural History in New York, explained it all in a series of tweets on Sunday:
I thought the frozen dead dudes couldn’t swim, but aside from that…
— Neil deGrasse Tyson (@neiltyson) September 24, 2017
