4 ms·
Neil deGrasse Tyson weighs in on this: https://twitter.com/neiltyson/status/934906611088359426 https://twitter.com/neiltyson/status/934906611088359426
by exlurker 9y ago
Neil deGrasse Tyson weighs in on this: https://twitter.com/neiltyson/status/934906611088359426 https://twitter.com/neiltyson/status/934906611088359426