1 00:00:01,265 --> 00:00:02,796 本影片由 Protocol Labs 贊助 2 00:00:02,796 --> 00:00:03,676 本影片由 Protocol Labs 贊助 跟隨你的好奇心 3 00:00:03,676 --> 00:00:08,144 本影片由 Protocol Labs 贊助 跟隨你的好奇心 引領人類的前進 4 00:00:09,198 --> 00:00:12,500 有兩種存在的可能性: 5 00:00:12,500 --> 00:00:15,318 有兩種存在的可能性:不管我們在宇宙中是孤獨的 6 00:00:15,318 --> 00:00:18,728 有兩種存在的可能性:不管我們在宇宙中是孤獨的,抑或不是 7 00:00:18,728 --> 00:00:23,111 有兩種存在的可能性:不管我們在宇宙中是孤獨的,抑或不是 兩者同樣讓人畏懼 8 00:00:23,111 --> 00:00:28,163 有兩種存在的可能性:不管我們在宇宙中是孤獨的,抑或不是 兩者同樣讓人畏懼 -ARTHUR C. CLARKE- 9 00:00:28,163 --> 00:00:29,157 長久以來 10 00:00:31,766 --> 00:00:35,486 在宇宙間星系中無數顆行星 11 00:00:39,246 --> 00:00:41,101 所孕育出的文明 12 00:00:44,246 --> 00:00:45,356 凝望夜空 13 00:00:49,961 --> 00:00:51,936 看著我們所見的星空 14 00:00:56,493 --> 00:01:00,613 問著我們所問的問題 15 00:01:00,882 --> 00:01:04,742 我們是孤獨的嗎? 16 00:01:10,646 --> 00:01:13,443 地球是這本生命之書中唯一的章節嗎? 17 00:01:19,468 --> 00:01:22,194 答案就在那渺遙的太空與亙久的時間之中 18 00:01:27,828 --> 00:01:30,721 這是第一次,真相終於觸手可及 19 00:01:40,929 --> 00:01:43,719 探索將會接露我們的身世 20 00:01:45,434 --> 00:01:48,554 以及我們將成為什麼 21 00:01:54,699 --> 00:01:55,699 奧秘 22 00:01:55,699 --> 00:01:59,799 奧妙之界 23 00:02:02,444 --> 00:02:03,812 第 I 篇 24 00:02:03,867 --> 00:02:11,436 第 I 篇 初露曙光 25 00:02:11,436 --> 00:02:17,596 在尋找外星生命之前,我們得先看清我們的星球 26 00:02:24,254 --> 00:02:28,484 在我們身邊看到的樣貌是極其複雜 27 00:02:33,961 --> 00:02:36,234 這怎麼可能呢? 28 00:02:36,870 --> 00:02:41,270 創造生命需要什麼代價? 29 00:02:41,270 --> 00:02:42,683 創造生命需要付出甚麼代價? 有機生命體由化學構成 30 00:02:42,683 --> 00:02:43,743 有機生命體由化學構成 31 00:02:45,528 --> 00:02:48,498 我們就是由一大堆化學物質組成 32 00:02:50,953 --> 00:02:53,763 而這些化學物質組成的理想條件是什麼? 33 00:02:54,242 --> 00:02:55,004 首先,你需要能量 34 00:02:55,004 --> 00:02:55,004 I 首先,你需要能量 35 00:02:55,004 --> 00:02:55,254 I ㄋ 首先,你需要能量 36 00:02:55,254 --> 00:02:55,316 I ㄋㄥ 首先,你需要能量 37 00:02:55,316 --> 00:02:55,379 I ㄋㄥˊ 首先,你需要能量 38 00:02:55,379 --> 00:02:55,504 I 能ㄌ 首先,你需要能量 39 00:02:55,504 --> 00:02:55,629 I 能ㄌㄧ 首先,你需要能量 40 00:02:55,629 --> 00:02:55,691 I 能ㄌㄧㄤ 首先,你需要能量 41 00:02:55,691 --> 00:02:55,754 I 能ㄌㄧㄤˋ 首先,你需要能量 42 00:02:55,754 --> 00:02:56,004 I 能量 首先,你需要能量 43 00:02:56,004 --> 00:02:56,254 I 能量 例如: 44 00:02:56,254 --> 00:02:56,592 I 能量 例如: 陽光 45 00:02:56,592 --> 00:02:56,717 I 能量 例如: 陽光 46 00:02:56,717 --> 00:03:00,004 I 能量 例如: 陽光.地熱 47 00:03:00,004 --> 00:03:00,066 I 能ㄌㄧㄤ 例如: 陽光.地熱 48 00:03:00,066 --> 00:03:00,129 I 能ㄌㄧ 例如: 陽光.地熱 49 00:03:00,129 --> 00:03:00,191 I 能ㄌ 例如: 陽光.地熱 50 00:03:00,191 --> 00:03:00,254 I ㄋㄥ 例如: 陽光. 51 00:03:00,254 --> 00:03:00,316 I ㄋ 例如: 52 00:03:00,316 --> 00:03:00,379 I ㄋ 53 00:03:00,379 --> 00:03:00,629 I 54 00:03:01,512 --> 00:03:03,262 但不能太多 55 00:03:03,971 --> 00:03:05,741 只能是適當的量 56 00:03:05,741 --> 00:03:07,461 行星的條件也變得適當 57 00:03:07,545 --> 00:03:08,826 因為他們離恆星夠近 58 00:03:08,826 --> 00:03:10,164 但不能太近 59 00:03:13,255 --> 00:03:14,305 同時也需要大量的元素多樣性 60 00:03:14,305 --> 00:03:14,555 II ㄓ 同時也需要大量的元素多樣性 61 00:03:14,555 --> 00:03:14,586 II ㄓㄨ 同時也需要大量的元素多樣性 62 00:03:14,586 --> 00:03:14,601 II ㄓㄨㄥ 同時也需要大量的元素多樣性 63 00:03:14,601 --> 00:03:14,617 II ㄓㄨㄥˋ 同時也需要大量的元素多樣性 64 00:03:14,617 --> 00:03:14,664 II 重 同時也需要大量的元素多樣性 65 00:03:14,664 --> 00:03:14,687 II 重ㄩ 同時也需要大量的元素多樣性 66 00:03:14,687 --> 00:03:14,699 II 重ㄩㄢ 同時也需要大量的元素多樣性 67 00:03:14,699 --> 00:03:14,711 II 重ㄩㄢˊ 同時也需要大量的元素多樣性 68 00:03:14,711 --> 00:03:14,758 II 重元 同時也需要大量的元素多樣性 69 00:03:14,758 --> 00:03:14,781 II 重元ㄙ 同時也需要大量的元素多樣性 70 00:03:14,781 --> 00:03:14,793 II 重元ㄙㄨ 同時也需要大量的元素多樣性 71 00:03:14,793 --> 00:03:14,805 II 重元ㄙㄨˋ 同時也需要大量的元素多樣性 72 00:03:14,805 --> 00:03:15,505 II 重元素 同時也需要大量的元素多樣性 73 00:03:15,505 --> 00:03:15,630 II 重元素 例如: 74 00:03:15,630 --> 00:03:15,965 II 重元素 例如: 氧, 75 00:03:15,965 --> 00:03:16,388 II 重元素 例如: 氧,碳 76 00:03:16,388 --> 00:03:17,021 II 重元素 例如: 氧,碳,硫 77 00:03:17,021 --> 00:03:20,372 II 重元素 例如: 氧,碳,硫 78 00:03:20,372 --> 00:03:20,403 II 重元ㄙㄨˋ 例如: 氧,碳,硫 79 00:03:20,403 --> 00:03:20,434 II 重元ㄙㄨ 例如: 氧,碳,硫 80 00:03:20,434 --> 00:03:20,465 II 重元ㄙ 例如: 氧,碳, 81 00:03:20,465 --> 00:03:20,497 II 重元 例如: 氧,碳, 82 00:03:20,497 --> 00:03:20,528 II 重ㄩㄢˊ 例如: 氧,碳, 83 00:03:20,528 --> 00:03:20,559 II 重ㄩㄢ 例如: 氧, 84 00:03:20,559 --> 00:03:20,590 II 重ㄩ 例如: 85 00:03:20,590 --> 00:03:20,622 II 重 86 00:03:20,622 --> 00:03:20,662 II ㄓㄨㄥˋ 87 00:03:20,662 --> 00:03:20,703 II ㄓㄨㄥ 88 00:03:20,703 --> 00:03:20,743 II ㄓㄨ 89 00:03:20,743 --> 00:03:20,784 II ㄓ 90 00:03:20,784 --> 00:03:20,865 II 91 00:03:20,865 --> 00:03:20,946 I 92 00:03:20,987 --> 00:03:22,772 還有液體 93 00:03:22,772 --> 00:03:22,833 像是水 94 00:03:22,833 --> 00:03:22,896 III 像是水 95 00:03:22,896 --> 00:03:22,958 III ㄧ 像是水 96 00:03:22,958 --> 00:03:23,020 III ㄧˋ 像是水 97 00:03:23,020 --> 00:03:23,083 III 液 像是水 98 00:03:23,083 --> 00:03:23,208 III 液ㄊ 像是水 99 00:03:23,208 --> 00:03:23,315 III 液ㄊㄧ 像是水 100 00:03:23,315 --> 00:03:23,422 III 液體 像是水 101 00:03:23,422 --> 00:03:23,529 III 液體 像是水 102 00:03:23,529 --> 00:03:23,779 III 液體 例如: 103 00:03:23,779 --> 00:03:24,195 III 液體 例如: 水 104 00:03:24,195 --> 00:03:27,824 III 液體 例如: 水 105 00:03:28,134 --> 00:03:29,164 為什麼? 106 00:03:29,266 --> 00:03:30,620 在氣體中 107 00:03:31,340 --> 00:03:33,621 原子移動速度太快 108 00:03:33,621 --> 00:03:35,760 以至於他們無法鏈結再一起 109 00:03:36,242 --> 00:03:39,492 固態下,原子被堆在一起 110 00:03:39,492 --> 00:03:40,628 它們無法移動 111 00:03:41,479 --> 00:03:42,748 在液體中 112 00:03:43,957 --> 00:03:46,767 它們能夠自由地任意穿梭 113 00:03:46,847 --> 00:03:49,973 相互鏈結在一起,形成分子 114 00:03:56,526 --> 00:04:00,936 液態水對於生物的演變再好不過了 115 00:04:00,936 --> 00:04:02,644 分子能夠在水中溶解 116 00:04:02,644 --> 00:04:05,504 組成更複雜的分子結構 117 00:04:06,262 --> 00:04:08,758 現在,我們要在哪找到如此適合的條件? 118 00:04:09,111 --> 00:04:11,231 行星是個很棒的選擇 119 00:04:11,960 --> 00:04:16,170 而我們早期的地球就是個完美的地方 120 00:04:17,949 --> 00:04:18,336 地球 121 00:04:18,336 --> 00:04:24,326 地球 40億年前 122 00:04:25,488 --> 00:04:26,598 地球與太陽之間的完美距離 123 00:04:26,598 --> 00:04:29,734 才以形成大量充滿液態水的海洋 124 00:04:33,504 --> 00:04:35,226 在深沉的海底 125 00:04:35,226 --> 00:04:36,664 地殼的裂痕中 126 00:04:38,243 --> 00:04:40,239 產生非同尋常的化學反應 127 00:04:40,289 --> 00:04:43,503 原子開始以各式奇特的組合進行排列 128 00:05:01,965 --> 00:05:09,425 "精確的配方仍是個謎,但是形成生命的成分 很普通 - 能量,有機分子以及液態水" 129 00:05:30,406 --> 00:05:37,846 "早期地球的某處,基本的化學成分 變成了生命 - 也許發生不只一次" 130 00:05:43,415 --> 00:05:50,075 "第一個細胞很有可能在滾燙的火山水域中誕生 一個曾經認為不可能形成生命的環境" 131 00:05:52,198 --> 00:05:59,188 "當我們研究的越深入,生命就越在極端的環境裡茁壯" 132 00:05:59,188 --> 00:05:59,898 "當我們研究的越深入,生命就越在極端的環境裡茁壯" 在我們的星球 133 00:05:59,898 --> 00:06:01,238 在我們的星球 134 00:06:01,324 --> 00:06:02,754 微生物已經適應 135 00:06:02,754 --> 00:06:06,254 在最嚴峻的環境生存 136 00:06:07,960 --> 00:06:09,390 不論是乾燥的沙漠 137 00:06:09,464 --> 00:06:11,504 寒冷的喜馬拉雅山 138 00:06:12,734 --> 00:06:16,494 或是在數千噸壓力下的 139 00:06:16,613 --> 00:06:18,953 海溝裡 140 00:06:21,237 --> 00:06:24,507 在真空的太空模擬中 141 00:06:24,597 --> 00:06:28,617 生命在沒有氧氣的情況下 142 00:06:28,972 --> 00:06:33,312 仍能繁榮的發展數年 143 00:06:33,886 --> 00:06:40,136 "近期研究表明生命在40億年前就出現了 當時的地球還像外星一樣死寂" 144 00:06:44,108 --> 00:06:50,488 "星球被密集的火山活動還有持續1億年的小行星風暴摧殘" 145 00:07:04,514 --> 00:07:09,914 "然而,如此極端的情況下 生命還是找到了立足之地" 146 00:07:09,914 --> 00:07:11,149 "然而,如此極端的情況下 生命還是找到了立足之地" 非常非常地快 147 00:07:11,149 --> 00:07:12,473 非常非常地快 148 00:07:12,473 --> 00:07:15,783 形成階段後,地球開始冷卻 149 00:07:15,873 --> 00:07:20,953 我們就知道生命就此展開 150 00:07:22,508 --> 00:07:25,228 因為生命的形成在地球發生的很迅速 151 00:07:25,278 --> 00:07:26,798 所以我們認為 152 00:07:26,798 --> 00:07:28,948 同樣的事情在別的星球也一樣 153 00:07:39,664 --> 00:07:46,611 "地球的故事讓我們有了生命在宇宙中可能是很普遍的希望" 154 00:07:48,399 --> 00:07:54,870 "它讓我們了解到生命能夠迅速發展、頑強且由基本常見的成分組成的" 155 00:07:57,971 --> 00:08:05,961 "在40億年的孤立之後 我們終於開始尋找我們宇宙中的親屬" 156 00:08:10,261 --> 00:08:17,401 "有水的地方,就會有生命 所以最好找一個和地球一樣有海洋的星球" 157 00:08:20,577 --> 00:08:27,917 "尋找和地球類似星球的探索才剛開始,且誘人" 158 00:08:29,866 --> 00:08:30,696 克卜勒-62F 159 00:08:30,696 --> 00:08:30,946 克卜勒-62F 距離: 1200光年 160 00:08:30,946 --> 00:08:31,071 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 161 00:08:31,071 --> 00:08:31,196 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 162 00:08:31,196 --> 00:08:31,350 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 163 00:08:31,350 --> 00:08:36,840 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 164 00:08:36,840 --> 00:08:37,090 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 165 00:08:37,090 --> 00:08:37,340 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 166 00:08:37,340 --> 00:08:37,465 克卜勒-62F 距離: 1200光年 大小: 1.4倍地球 167 00:08:37,465 --> 00:08:37,527 克卜勒-62F 距離: 1200光年 168 00:08:37,527 --> 00:08:37,590 克卜勒-62F 169 00:08:38,833 --> 00:08:39,566 TRAPPIST-1D 170 00:08:39,566 --> 00:08:39,816 TRAPPIST-1D 距離: 41光年 171 00:08:39,816 --> 00:08:39,925 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 172 00:08:39,925 --> 00:08:40,034 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 173 00:08:40,034 --> 00:08:40,143 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 174 00:08:40,143 --> 00:08:46,568 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 175 00:08:46,568 --> 00:08:46,818 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 176 00:08:46,818 --> 00:08:46,943 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 177 00:08:46,943 --> 00:08:47,068 TRAPPIST-1D 距離: 41光年 大小: 0.77倍地球 178 00:08:47,068 --> 00:08:47,204 TRAPPIST-1D 距離: 41光年 179 00:08:47,204 --> 00:08:47,341 TRAPPIST-1D 180 00:08:48,973 --> 00:08:49,747 蒂加登星-B 181 00:08:49,747 --> 00:08:49,997 蒂加登星-B 距離: 12光年 182 00:08:49,997 --> 00:08:50,112 蒂加登星-B 距離: 12光年 大小:1.07倍地球 183 00:08:50,112 --> 00:08:50,227 蒂加登星-B 距離: 12光年 大小:1.07倍地球 184 00:08:50,227 --> 00:08:50,342 蒂加登星-B 距離: 12光年 大小:1.07倍地球 185 00:08:50,342 --> 00:08:56,149 蒂加登星-B 距離: 12光年 大小:1.07倍地球 186 00:08:56,149 --> 00:08:56,399 蒂加登星-B 距離: 12光年 大小:1.07倍地球 187 00:08:56,399 --> 00:08:56,524 蒂加登星-B 距離: 12光年 大小:1.07倍地球 188 00:08:56,524 --> 00:08:56,649 蒂加登星-B 距離: 12光年 大小:1.07倍地球 189 00:08:56,649 --> 00:08:56,779 蒂加登星-B 距離: 12光年 190 00:08:56,779 --> 00:08:56,909 蒂加登星-B 191 00:08:58,908 --> 00:08:59,759 K2-18B 192 00:08:59,759 --> 00:09:00,009 K2-18B 距離: 111光年 193 00:09:00,009 --> 00:09:00,193 K2-18B 距離: 111光年 大小: 2.7倍地球 194 00:09:00,193 --> 00:09:00,285 K2-18B 距離: 111光年 大小: 2.7倍地球 195 00:09:00,285 --> 00:09:07,842 K2-18B 距離: 111光年 大小: 2.7倍地球 196 00:09:07,842 --> 00:09:08,092 K2-18B 距離: 111光年 大小: 2.7倍地球 197 00:09:08,092 --> 00:09:08,211 K2-18B 距離: 111光年 大小: 2.7倍地球 198 00:09:08,211 --> 00:09:08,330 K2-18B 距離: 111光年 199 00:09:08,330 --> 00:09:08,449 K2-18B 200 00:09:10,708 --> 00:09:17,858 "我們發現到的還只是表面 大自然蘊藏著無止盡的秘密" 201 00:09:17,858 --> 00:09:20,086 "我們發現到的還只是表面 大自然蘊藏著無止盡的秘密" 202 00:09:20,086 --> 00:09:20,956 我們深知星系中充斥的水源 203 00:09:26,475 --> 00:09:28,965 充滿了有機分子 204 00:09:29,015 --> 00:09:32,965 及複雜的化學物質 205 00:09:33,964 --> 00:09:35,504 我們所知道 206 00:09:35,504 --> 00:09:37,944 生命在這個星球形成的必要條件 207 00:09:38,024 --> 00:09:40,734 在整個星系中是相當豐富的 208 00:09:47,259 --> 00:09:50,250 會不會有類似發生在地球的事情 209 00:09:50,390 --> 00:09:56,480 發生在其他星球? 210 00:09:59,078 --> 00:10:05,168 "看著這些數字 外星生命的存在似乎是必然的" 211 00:10:12,209 --> 00:10:20,889 "最新數據顯示,有¼的恆星有類地行星環繞在適居帶 - 液態水適合的距離" 212 00:10:28,312 --> 00:10:36,419 "就我們銀河系,這一共有約500億個像地球一樣的世界" 213 00:10:39,331 --> 00:10:46,251 "在整個宇宙,適合居住的星球得數量更是多得驚人" 214 00:10:46,251 --> 00:10:52,871 "在整個宇宙,適合居住的星球得數量更是多得驚人" 100,000,000,000,000,000,000 215 00:10:55,623 --> 00:11:00,793 "想像這裡每一個閃爍代表著一顆類似地球的行星" 216 00:11:03,428 --> 00:11:10,851 "你要看著這個動畫超過10億年才能一一檢視完它們" 217 00:11:20,569 --> 00:11:26,939 "每一個星球都如同地球有著豐富且獨特的歷史" 218 00:11:59,056 --> 00:12:04,246 "數以兆計的化學大湯鍋,經過了萬古燉熬" 219 00:12:05,259 --> 00:12:07,619 在可觀測宇宙中 220 00:12:07,619 --> 00:12:10,609 與地球質量相當的行星 221 00:12:10,609 --> 00:12:14,044 比地球上每一個沙灘裡的每一粒沙 222 00:12:14,224 --> 00:12:16,301 還要多 223 00:12:31,794 --> 00:12:39,620 "在如此豐富的世界裡,多數的行星對於生命都是致命的" 224 00:12:43,188 --> 00:12:49,538 "儘管位在適居帶星球,仍然有著炙熱、冰冷或是充滿毒氣的環境" 225 00:12:52,123 --> 00:12:57,923 "很多星球缺少大氣層,對於氣溫調節是至關重要的 不然就是有一個致命的大氣層" 226 00:13:10,690 --> 00:13:18,262 "金星,曾經被認為有存在生命的可能 現在是一個高壓且大氣充滿毒氣的星球" 227 00:13:20,195 --> 00:13:26,595 "但是生命也許不侷限在適居帶" 228 00:13:31,003 --> 00:13:39,623 "遠離恆星的溫度,氣態巨行星的衛星可能是隱藏的生命綠洲" 229 00:13:42,695 --> 00:13:51,625 他們的能量不是來自於恆星的光,而是重力 - 來自它們環繞行星的前後推移 230 00:13:55,439 --> 00:14:03,809 "冰天雪地的土衛二就是這樣 充滿生命的化學物質埋藏在大片地底海洋從如泉水噴出" 231 00:14:08,224 --> 00:14:15,354 "土衛六更是誘人 - 體積比水星大 表面充滿著大大小小的液態甲烷湖及有機混合物" 232 00:14:21,018 --> 00:14:28,498 在2026,NASA計畫要發射探測器到土衛六 在山谷和隕石坑中尋找生命跡象" 233 00:14:31,259 --> 00:14:37,159 在我們星系中也許就有100兆顆系外衛星 - 比行星的數量多上100倍" 234 00:14:38,830 --> 00:14:42,740 "有些甚至和地球一樣大 且擁有大氣層且表面充滿水" 235 00:14:44,228 --> 00:14:50,186 "有這麼多的地方能發掘生命 我們能不能發現也只是時間的問題而已" 236 00:14:52,048 --> 00:14:55,607 "有些人覺得我們已經發現生命了" 237 00:15:02,138 --> 00:15:09,528 1976年6月30日 維京號在火星上發現至今難以解釋的 238 00:15:13,035 --> 00:15:22,165 "在注入養分到火星土壤出放射性 出現放射性氣體的徵象 - 就像在地球的土壤一樣" 239 00:15:23,904 --> 00:15:24,029 無菌土壤 | 240 00:15:24,029 --> 00:15:24,154 無菌土壤 | 加州土壤 | 241 00:15:24,154 --> 00:15:40,984 無菌土壤 | 加州土壤 | 火星土壤 | 242 00:15:41,710 --> 00:15:49,930 "那是指是正常現象 還是是我們第一個碰到的外星生物?" 243 00:15:50,512 --> 00:15:53,700 在火星上或任何其他太陽系內的天體 244 00:15:54,272 --> 00:15:56,982 都只有發現一種細菌 245 00:15:57,711 --> 00:16:01,230 這顯示了整個一連串的演化 246 00:16:01,230 --> 00:16:04,740 包含宇宙、化學、生物學 247 00:16:05,252 --> 00:16:07,732 在任何地方都能發生作用 248 00:16:08,473 --> 00:16:09,753 在這種情況下 249 00:16:09,778 --> 00:16:12,998 宇宙裡任何地方所產生的生命 250 00:16:13,503 --> 00:16:17,650 都將會比預期的更有規律 251 00:16:20,558 --> 00:16:27,578 若我們還未找到生命,發現也許是遲早的事 252 00:16:29,934 --> 00:16:36,514 NASA 科學家目前認為我們就在發現新事物的邊緣 253 00:16:36,514 --> 00:16:39,061 NASA 科學家目前認為我們就在發現新事物的邊緣 在我們的一生之內將會明白 254 00:16:39,061 --> 00:16:40,607 NASA 科學家目前認為我們就在發現新事物的邊緣 在太陽系內的天體中是有生命的 255 00:16:40,607 --> 00:16:41,377 在太陽系內的天體中是有生命的 256 00:16:49,514 --> 00:16:51,570 我們將知道這對地球上生命演化 257 00:16:51,570 --> 00:16:54,170 所帶來的影響 258 00:16:56,274 --> 00:16:57,864 我們將找尋周圍的行星 259 00:16:57,864 --> 00:16:59,644 我們可以說我們從其他恆星的大氣層中 260 00:16:59,704 --> 00:17:03,264 看到了宜居的潛在跡象 261 00:17:05,998 --> 00:17:09,108 這些全部都會在接下來的10到20年發生 262 00:17:10,008 --> 00:17:12,038 這有如此的讓人感到興奮? 263 00:17:13,783 --> 00:17:15,404 我們就處於人們千年以來 264 00:17:15,404 --> 00:17:17,452 一直想得知的解答邊緣 265 00:17:17,452 --> 00:17:18,501 我們是孤獨的嗎? 266 00:17:21,004 --> 00:17:25,224 我們已在這且即將找到答案 267 00:17:29,184 --> 00:17:35,854 如果我們真的在那裡找到生命,我們將會發現關於自己的什麼東西? 268 00:17:39,596 --> 00:17:46,086 地球又屬於生命之書的哪一篇章? 269 00:17:47,749 --> 00:17:51,239 宇宙將近140億歲 270 00:17:52,490 --> 00:17:56,220 而我們的銀河系約有120億歲 271 00:17:56,220 --> 00:17:58,480 所以,那裡也許會有生命 272 00:17:58,751 --> 00:18:01,421 可能比在我們所待的星球上的生命 273 00:18:01,421 --> 00:18:04,981 還要明顯地高等許多 274 00:18:06,195 --> 00:18:10,145 地球在宇宙舞台上是遲來步入嗎 275 00:18:11,188 --> 00:18:14,838 生命到底有多古老? 276 00:18:15,941 --> 00:18:16,251 十萬年前 277 00:18:16,251 --> 00:18:16,647 一百萬年前 278 00:18:16,647 --> 00:18:16,934 五百萬年前 279 00:18:16,934 --> 00:18:17,722 一千萬年前 280 00:18:17,722 --> 00:18:18,497 五千萬年前 281 00:18:18,497 --> 00:18:19,267 一億年前 282 00:18:19,267 --> 00:18:19,767 兩億年前 283 00:18:19,767 --> 00:18:20,147 三億年前 284 00:18:20,147 --> 00:18:20,457 四億年前 285 00:18:20,457 --> 00:18:21,437 五億年前 286 00:18:21,437 --> 00:18:22,467 十億年前 287 00:18:22,467 --> 00:18:23,127 二十億年前 288 00:18:23,127 --> 00:18:23,641 三十億年前 289 00:18:23,641 --> 00:18:23,956 四十億年前 290 00:18:23,956 --> 00:18:25,117 五十億年前 291 00:18:25,117 --> 00:18:25,553 一百億年前 292 00:18:25,553 --> 00:18:26,025 一百三十八億年前 293 00:18:26,507 --> 00:18:26,987 事件:大爆炸 294 00:18:33,670 --> 00:18:39,500 在它前幾百萬年,如同我們所知宇宙的熱度對於生命難以承受 295 00:18:42,562 --> 00:18:48,242 環境溫度會把你活活煮死 296 00:18:48,350 --> 00:18:48,790 事件:首星 297 00:19:01,614 --> 00:19:09,584 當它最終冷卻下來足以讓生命存活,宇宙依然沒有一顆恆星或行星,只有緩慢沉重的氫氣雲 298 00:19:17,657 --> 00:19:25,997 在七千萬年後,重力 299 00:19:45,105 --> 00:19:52,025 300 00:19:53,891 --> 00:19:59,981 301 00:19:59,981 --> 00:20:01,951 302 00:20:01,951 --> 00:20:02,751 303 00:20:02,992 --> 00:20:05,152 304 00:20:07,483 --> 00:20:09,978 305 00:20:09,978 --> 00:20:13,458 306 00:20:15,527 --> 00:20:16,927 307 00:20:17,005 --> 00:20:18,725 308 00:20:18,725 --> 00:20:21,485 309 00:20:21,781 --> 00:20:24,311 310 00:20:24,338 --> 00:20:24,838 事件: 311 00:20:37,661 --> 00:20:44,141 312 00:20:48,411 --> 00:20:55,841 313 00:20:58,457 --> 00:21:03,697 314 00:21:11,106 --> 00:21:17,986 315 00:21:25,859 --> 00:21:32,400 316 00:21:38,167 --> 00:21:45,857 317 00:21:51,097 --> 00:21:57,367 318 00:22:00,414 --> 00:22:09,104 319 00:22:14,834 --> 00:22:24,314 320 00:22:29,748 --> 00:22:37,918 321 00:22:44,069 --> 00:22:49,531 322 00:22:52,430 --> 00:23:03,110 323 00:23:06,062 --> 00:23:14,883 324 00:23:17,849 --> 00:23:25,089 325 00:23:28,186 --> 00:23:34,506 326 00:23:44,579 --> 00:23:55,264 327 00:24:04,328 --> 00:24:11,048 328 00:24:17,705 --> 00:24:21,675 329 00:24:23,189 --> 00:24:30,299 330 00:24:36,915 --> 00:24:40,188 331 00:24:40,188 --> 00:24:41,447 332 00:24:41,447 --> 00:24:42,528 333 00:24:42,528 --> 00:24:43,278 334 00:24:43,278 --> 00:24:43,818 335 00:24:43,818 --> 00:24:44,278 336 00:24:44,278 --> 00:24:44,658 337 00:24:44,658 --> 00:24:45,018 338 00:24:45,018 --> 00:24:45,318 339 00:24:45,318 --> 00:24:45,618 340 00:24:45,618 --> 00:24:45,868 341 00:24:45,868 --> 00:24:46,118 342 00:24:46,118 --> 00:24:47,028 343 00:24:47,028 --> 00:24:47,758 344 00:24:47,758 --> 00:24:48,358 345 00:24:48,358 --> 00:24:48,868 346 00:24:48,868 --> 00:24:49,368 347 00:24:49,368 --> 00:24:49,788 348 00:24:49,788 --> 00:24:50,157 349 00:24:50,157 --> 00:24:50,498 350 00:24:50,498 --> 00:24:50,828 351 00:24:50,828 --> 00:24:51,408 352 00:24:51,408 --> 00:24:51,958 353 00:24:51,958 --> 00:24:52,478 354 00:24:52,478 --> 00:24:52,877 355 00:24:52,877 --> 00:24:53,287 356 00:24:53,287 --> 00:24:53,677 357 00:24:53,677 --> 00:24:54,007 358 00:24:54,007 --> 00:24:54,340 359 00:24:54,340 --> 00:24:55,737 360 00:24:55,737 --> 00:24:56,697 361 00:24:56,697 --> 00:24:57,458 362 00:24:57,458 --> 00:24:58,097 363 00:24:58,097 --> 00:24:58,627 364 00:24:58,627 --> 00:24:59,117 365 00:24:59,117 --> 00:24:59,533 366 00:24:59,533 --> 00:25:00,273 367 00:25:00,273 --> 00:25:00,963 368 00:25:00,963 --> 00:25:01,503 369 00:25:01,503 --> 00:25:02,334 370 00:25:02,334 --> 00:25:04,303 371 00:25:04,303 --> 00:25:04,883 372 00:25:04,883 --> 00:25:05,133 373 00:25:05,133 --> 00:25:05,506 374 00:25:05,506 --> 00:25:06,256 375 00:25:06,256 --> 00:25:07,726 376 00:25:07,726 --> 00:25:10,376 377 00:25:10,376 --> 00:25:13,050 378 00:25:13,050 --> 00:25:14,916 379 00:25:14,916 --> 00:25:15,698 380 00:25:15,698 --> 00:25:17,017 381 00:25:17,017 --> 00:25:18,418 382 00:25:18,418 --> 00:25:19,118 383 00:25:19,118 --> 00:25:19,818 384 00:25:19,818 --> 00:25:20,068 385 00:25:20,068 --> 00:25:23,353 386 00:25:23,663 --> 00:25:28,423 387 00:25:37,645 --> 00:25:45,435 388 00:25:56,299 --> 00:26:01,149 389 00:26:10,144 --> 00:26:16,734 390 00:26:20,024 --> 00:26:30,304 391 00:26:34,073 --> 00:26:39,993 392 00:26:42,502 --> 00:26:49,395 393 00:27:23,932 --> 00:27:29,592 394 00:27:32,373 --> 00:27:40,133 395 00:27:57,674 --> 00:28:05,824 396 00:28:09,675 --> 00:28:14,895 397 00:28:17,924 --> 00:28:24,148 398 00:28:26,681 --> 00:28:35,861 399 00:28:38,190 --> 00:28:42,710 400 00:28:48,685 --> 00:28:53,595 401 00:29:06,289 --> 00:29:12,007 402 00:29:12,007 --> 00:29:15,557 403 00:29:15,557 --> 00:29:17,647 404 00:29:17,647 --> 00:29:18,887 405 00:29:18,887 --> 00:29:19,767 406 00:29:19,767 --> 00:29:20,557 407 00:29:20,557 --> 00:29:21,327 408 00:29:21,327 --> 00:29:22,087 409 00:29:22,087 --> 00:29:22,887 410 00:29:22,887 --> 00:29:23,647 411 00:29:23,647 --> 00:29:24,347 412 00:29:24,347 --> 00:29:25,217 413 00:29:25,217 --> 00:29:26,627 414 00:29:26,627 --> 00:29:27,987 415 00:29:27,987 --> 00:29:29,567 416 00:29:29,567 --> 00:29:30,797 417 00:29:30,797 --> 00:29:31,617 418 00:29:31,617 --> 00:29:32,367 419 00:29:32,367 --> 00:29:33,237 420 00:29:33,237 --> 00:29:34,617 421 00:29:34,617 --> 00:29:36,117 422 00:29:36,117 --> 00:29:36,917 423 00:29:36,917 --> 00:29:37,717 424 00:29:37,717 --> 00:29:39,227 425 00:29:39,227 --> 00:29:40,707 426 00:29:40,707 --> 00:29:41,997 427 00:29:41,997 --> 00:29:43,557 428 00:29:43,557 --> 00:29:44,327 429 00:29:44,327 --> 00:29:45,097 430 00:29:45,097 --> 00:29:46,677 431 00:29:46,677 --> 00:29:47,837 432 00:29:47,837 --> 00:29:49,227 433 00:29:49,227 --> 00:29:59,379 434 00:30:07,787 --> 00:30:08,717 435 00:30:08,717 --> 00:30:13,439 436 00:30:15,365 --> 00:30:22,000 437 00:30:22,000 --> 00:30:26,000