Neil deGrasse Tyson

Neil deGrasse Tyson @neiltyson

CLARIFICATION: Tidal forces scale as the cube of distance. That’s how you get the factor 8000 = 20 x 20 x 20. No oceans yet on Earth 4-Billion years ago, but there are also crustal tides of the solid Earth, rising 8,000 times higher than the 15 inches it rises and falls today. — PolitiTweet.org

Neil deGrasse Tyson @neiltyson

@MLB We've suspected for some time now that the laws of physics across the universe might not apply to some pitchers -- we have top people looking into this. But what is certain is that he can't do that on the (airless) Moon, a place where nothing curves sideways. — PolitiTweet.org