4 ms·

Reference: https://www.explainxkcd.com/wiki/index.php/893:_65_Years https://www.explainxkcd.com/wiki/index.php/893:_65_Years

• wyldfire 5y ago
  > The universe is probably littered with the one-planet graves of cultures which made the sensible economic decision that there's no good reason to go into space--each discovered, studied, and remembered by the ones who made the irrational decision.
• drivers99 5y ago
  Of interest is the updated graph (red line shows actual, which is sadly right on track): https://imgur.com/G7DbbBi https://imgur.com/G7DbbBi