Subtitle preview:
1
00:00:30,114 --> 00:00:33,299
In order to solve Earth's
population problem,
2
00:00:33,499 --> 00:00:35,453
humans of the 21st century
3
00:00:35,578 --> 00:00:37,830
devised a plan to colonize Mars.
4
00:00:38,414 --> 00:00:41,584
Mars' average temperature
is minus 50 degrees.
5
00:00:42,251 --> 00:00:45,713
However, if the carbon dioxide
frozen beneath the surface
View Comments (1)