1 00:00:04,550 --> 00:00:02,790 by the early 1900s you could open the 2 00:00:06,389 --> 00:00:04,560 new york times and read in all 3 00:00:09,030 --> 00:00:06,399 seriousness about the intelligent 4 00:00:11,270 --> 00:00:09,040 civilization on mars bill says it all 5 00:00:13,350 --> 00:00:11,280 started in the latter half of the 19th 6 00:00:15,350 --> 00:00:13,360 century when telescopes had grown 7 00:00:18,230 --> 00:00:15,360 powerful enough to show the surface of 8 00:00:21,269 --> 00:00:18,240 mars in considerable detail the best 9 00:00:23,830 --> 00:00:21,279 views of mars suggested that it was an 10 00:00:26,230 --> 00:00:23,840 earth-like planet with continents and 11 00:00:27,589 --> 00:00:26,240 seas 12 00:00:30,230 --> 00:00:27,599 there were 13 00:00:32,790 --> 00:00:30,240 dark areas which seemed to be tinted 14 00:00:35,190 --> 00:00:32,800 either bluish or greenish 15 00:00:36,549 --> 00:00:35,200 in color and the other areas were 16 00:00:37,430 --> 00:00:36,559 ochre 17 00:00:40,310 --> 00:00:37,440 or 18 00:00:41,510 --> 00:00:40,320 in some people's interpretation tinted 19 00:00:44,869 --> 00:00:41,520 brick red 20 00:00:48,069 --> 00:00:44,879 we could see details including the ic 21 00:00:50,150 --> 00:00:48,079 polar caps which were dazzling white 22 00:00:52,150 --> 00:00:50,160 suggested there was water on mars we 23 00:00:54,869 --> 00:00:52,160 could watch those melt 24 00:00:57,110 --> 00:00:54,879 and that created a real compelling 25 00:00:59,270 --> 00:00:57,120 illusion that mars