1 00:00:05,749 --> 00:00:02,510 what is your favorite answer to fermi's 2 00:00:08,150 --> 00:00:05,759 question where are they oh fascinating I 3 00:00:11,030 --> 00:00:08,160 just read a book called where is 4 00:00:13,009 --> 00:00:11,040 everybody and they gave 50 reasons why 5 00:00:16,070 --> 00:00:13,019 aliens haven't been in contact 50 6 00:00:19,810 --> 00:00:16,080 plausible hypotheses of all of those I 7 00:00:22,429 --> 00:00:19,820 think the most reasonable is that the 8 00:00:26,750 --> 00:00:22,439 astronomical distance between Star 9 00:00:30,529 --> 00:00:26,760 systems are so incredibly huge that it 10 00:00:33,650 --> 00:00:30,539 is fundamentally impractical for aliens 11 00:00:36,410 --> 00:00:33,660 to travel between Star systems and just 12 00:00:38,330 --> 00:00:36,420 as an example Alpha Satori which is a 13 00:00:40,630 --> 00:00:38,340 cluster of three stars sort of in this 14 00:00:42,310 --> 00:00:40,640 very really incredible dance going on 15 00:00:46,810 --> 00:00:42,320 three-dimensional 16 00:00:50,510 --> 00:00:46,820 orbits that's 4.2 4.26 light years away 17 00:00:53,270 --> 00:00:50,520 current rocketry would take like 80 000 18 00:00:56,569 --> 00:00:53,280 years to have a spaceship reach the