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About a year ago, astrophysicist Neil deGrasse Tyson was asked how much he thinks Thor’s hammer, Mjolnir, weights. Tyson replied that since it was made of netron-star matter, it weights as much as 300 billion elephants, which is 4.5 quadrillion (4,500,000,000,000,000) pounds. Now, a new video by Vsauce (below) exploring the science behind Thor’s weapon, claims that […]