1 00:00:00,850 --> 00:00:03,590 This is the Cryosphere 2 00:00:03,590 --> 00:00:05,890 Cryo=Frozen 3 00:00:05,890 --> 00:00:06,400 4 00:00:06,400 --> 00:00:08,200 It has five parts 5 00:00:08,200 --> 00:00:09,010 Sea Ice 6 00:00:09,010 --> 00:00:09,770 Snow 7 00:00:09,770 --> 00:00:10,390 Permafrost 8 00:00:10,390 --> 00:00:11,070 Glaciers 9 00:00:11,070 --> 00:00:12,680 Ice Sheets 10 00:00:12,680 --> 00:00:14,990 That's a lot of ice 11 00:00:14,990 --> 00:00:16,520 12 00:00:16,520 --> 00:00:17,880 The Cryosphere is pretty important 13 00:00:17,880 --> 00:00:21,940 Basically, life on Earth needs it to survive 14 00:00:21,940 --> 00:00:24,690 But parts of it are melting quickly 15 00:00:24,690 --> 00:00:28,370 NASA is working on finding answers 16 00:00:28,370 --> 00:00:32,800 17 00:00:32,800 --> 00:00:35,970 Cryosphere 18 00:00:35,970 --> 00:00:37,680 19 00:00:37,680 --> 00:00:39,706 Part of the new NASA Explorers Digital Series