Neil deGrasse Tyson @neiltyson
Some of you asked: A quarter-pounder (pre-cooked) burger on Mars would weigh 10.5 ounces back on Earth — 2.6 times as much. But, apparently, watch out for the Fries. Mark Watney [Matt Damon] may be their farmer, growing poop-potatoes. https://t.co/caoGwYpwgK — PolitiTweet.org