[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.93,0:00:03.45,Default,,0000,0000,0000,,我哋而家喺人類歷史嘅轉捩點 Dialogue: 0,0:00:03.45,0:00:06.33,Default,,0000,0000,0000,,人類處於得到新星球\N同失去舊星球之間 Dialogue: 0,0:00:06.33,0:00:09.33,Default,,0000,0000,0000,,失去嘅舊星球就係我哋稱為家嘅地球 Dialogue: 0,0:00:09.33,0:00:11.26,Default,,0000,0000,0000,,就算只係過去幾年 Dialogue: 0,0:00:11.26,0:00:15.63,Default,,0000,0000,0000,,我哋對地球喺宇宙扮演\N咩角色嘅知識都增長咗唔少 Dialogue: 0,0:00:16.59,0:00:18.50,Default,,0000,0000,0000,,美國太空總處嘅開普勒任務 Dialogue: 0,0:00:18.50,0:00:21.93,Default,,0000,0000,0000,,發現有成千上萬個類似地球嘅行星\N圍繞住其他恆星運行 Dialogue: 0,0:00:21.93,0:00:26.27,Default,,0000,0000,0000,,證明地球只係銀河系\N數以千萬宜居行星嘅其中一個 Dialogue: 0,0:00:26.27,0:00:27.97,Default,,0000,0000,0000,,開普勒係一台太空望遠鏡 Dialogue: 0,0:00:27.97,0:00:29.85,Default,,0000,0000,0000,,當星體喺恆星前面經過 Dialogue: 0,0:00:29.85,0:00:31.64,Default,,0000,0000,0000,,會輕微阻擋恆星嘅光線 Dialogue: 0,0:00:31.64,0:00:33.20,Default,,0000,0000,0000,,令恆星睇起嚟暗啲 Dialogue: 0,0:00:33.20,0:00:35.76,Default,,0000,0000,0000,,開普勒就係量度呢啲稍為暗淡嘅光線 Dialogue: 0,0:00:35.76,0:00:38.33,Default,,0000,0000,0000,,開普勒嘅數據可以推算到星體嘅體積 Dialogue: 0,0:00:38.33,0:00:40.80,Default,,0000,0000,0000,,同埋佢哋同母恆星之間嘅距離 Dialogue: 0,0:00:40.80,0:00:43.61,Default,,0000,0000,0000,,呢兩樣都有助我哋了解星體 Dialogue: 0,0:00:43.61,0:00:47.71,Default,,0000,0000,0000,,係唔係好似太陽系類地行星咁\N體積小而且佈滿岩石 Dialogue: 0,0:00:47.71,0:00:51.08,Default,,0000,0000,0000,,以及佢哋從母恆星吸收幾多光 Dialogue: 0,0:00:51.08,0:00:52.25,Default,,0000,0000,0000,,縱合上述結果 Dialogue: 0,0:00:52.25,0:00:56.88,Default,,0000,0000,0000,,我哋可以知道\N呢啲星球到底適唔適宜住 Dialogue: 0,0:00:57.38,0:00:58.66,Default,,0000,0000,0000,,但好唔好彩 Dialogue: 0,0:00:58.66,0:01:03.35,Default,,0000,0000,0000,,喺發現可能宜居嘅星球嘅同時 Dialogue: 0,0:01:03.35,0:01:06.83,Default,,0000,0000,0000,,我哋地球因為人類而逐漸衰退 Dialogue: 0,0:01:06.83,0:01:10.79,Default,,0000,0000,0000,,2014 年係有紀錄以嚟最熱嘅一年 Dialogue: 0,0:01:11.23,0:01:14.100,Default,,0000,0000,0000,,同我哋共處咗成千年嘅冰川同海冰 Dialogue: 0,0:01:14.100,0:01:17.32,Default,,0000,0000,0000,,將會喺幾十年之內消失 Dialogue: 0,0:01:17.100,0:01:22.78,Default,,0000,0000,0000,,呢種由我哋造成嘅地球環境改變 Dialogue: 0,0:01:22.78,0:01:26.09,Default,,0000,0000,0000,,好快就超越我哋可以控制佢哋嘅步伐 Dialogue: 0,0:01:27.35,0:01:30.92,Default,,0000,0000,0000,,不過我唔係氣候學家,我係天文學家 Dialogue: 0,0:01:30.92,0:01:34.43,Default,,0000,0000,0000,,我研究星體嘅宜居性 Dialogue: 0,0:01:34.43,0:01:37.41,Default,,0000,0000,0000,,我希望可以喺地球以外嘅宇宙入面 Dialogue: 0,0:01:37.41,0:01:39.87,Default,,0000,0000,0000,,搵到有生命嘅地方 Dialogue: 0,0:01:39.87,0:01:43.04,Default,,0000,0000,0000,,你可以話我搵緊外星級數嘅房地產 Dialogue: 0,0:01:43.90,0:01:48.00,Default,,0000,0000,0000,,作為一個沉迷搜索宇宙生命嘅人 Dialogue: 0,0:01:48.00,0:01:49.24,Default,,0000,0000,0000,,我可以話你知 Dialogue: 0,0:01:49.24,0:01:51.60,Default,,0000,0000,0000,,你越係想搵一個似地球嘅星球 Dialogue: 0,0:01:51.60,0:01:54.65,Default,,0000,0000,0000,,你越會珍惜我哋嘅地球 Dialogue: 0,0:01:55.03,0:01:57.95,Default,,0000,0000,0000,,每次有新星球發現 Dialogue: 0,0:01:57.95,0:02:01.57,Default,,0000,0000,0000,,我哋都會將新星球\N同我哋最熟悉嘅星球比較 Dialogue: 0,0:02:01.57,0:02:03.46,Default,,0000,0000,0000,,即我哋太陽系嘅行星 Dialogue: 0,0:02:03.46,0:02:06.90,Default,,0000,0000,0000,,試想一下我哋嘅鄰居,火星\N細小而且滿佈岩石 Dialogue: 0,0:02:06.90,0:02:09.24,Default,,0000,0000,0000,,雖然佢距離太陽有啲遠 Dialogue: 0,0:02:09.24,0:02:11.93,Default,,0000,0000,0000,,但如果火星被開普勒計劃呢類任務發現 Dialogue: 0,0:02:11.93,0:02:13.94,Default,,0000,0000,0000,,佢可能被人分類做宜居星球 Dialogue: 0,0:02:13.94,0:02:17.30,Default,,0000,0000,0000,,其實以前,火星的確有可能宜居 Dialogue: 0,0:02:17.30,0:02:20.36,Default,,0000,0000,0000,,呢個亦係我哋深入研究火星嘅原因 Dialogue: 0,0:02:20.36,0:02:24.12,Default,,0000,0000,0000,,好似好奇號咁嘅火星探測器\N喺火星表面行走 Dialogue: 0,0:02:24.13,0:02:27.14,Default,,0000,0000,0000,,尋找已知生命之源嘅線索 Dialogue: 0,0:02:27.14,0:02:29.06,Default,,0000,0000,0000,,而好似 MAVEN 任務一樣嘅軌道探測器 Dialogue: 0,0:02:29.06,0:02:30.73,Default,,0000,0000,0000,,就收集火星大氣層嘅樣本 Dialogue: 0,0:02:30.73,0:02:34.58,Default,,0000,0000,0000,,畀我哋了解點解火星唔再宜居 Dialogue: 0,0:02:34.58,0:02:38.93,Default,,0000,0000,0000,,私人太空旅行公司\N依架唔只提供近太空旅行 Dialogue: 0,0:02:38.93,0:02:42.44,Default,,0000,0000,0000,,亦可能喺將來提供火星移民服務 Dialogue: 0,0:02:42.84,0:02:47.02,Default,,0000,0000,0000,,但呢啲火星景色\N只會令人聯想起地球嘅沙漠 Dialogue: 0,0:02:47.02,0:02:52.73,Default,,0000,0000,0000,,一個我哋聯想只有開拓者同邊疆嘅地方 Dialogue: 0,0:02:52.73,0:02:57.17,Default,,0000,0000,0000,,同地球相比,火星嘅環境係幾可怕 Dialogue: 0,0:02:57.89,0:03:02.91,Default,,0000,0000,0000,,諗下我哋地球尚未殖民嘅沙漠 Dialogue: 0,0:03:02.91,0:03:05.89,Default,,0000,0000,0000,,呢啲地方比起火星更加之宜居 Dialogue: 0,0:03:05.89,0:03:08.69,Default,,0000,0000,0000,,就算地球最乾、最高嘅地方 Dialogue: 0,0:03:08.69,0:03:11.29,Default,,0000,0000,0000,,嗰度嘅空氣都係由幾千里外嘅雨林製造 Dialogue: 0,0:03:11.29,0:03:14.43,Default,,0000,0000,0000,,都係甜嘅,而且充滿住氧氣 Dialogue: 0,0:03:15.95,0:03:21.32,Default,,0000,0000,0000,,我擔心呢種殖民火星\N同其他星球嘅熱潮 Dialogue: 0,0:03:21.32,0:03:24.43,Default,,0000,0000,0000,,會引致長期唔好嘅後果 Dialogue: 0,0:03:24.43,0:03:26.45,Default,,0000,0000,0000,,就係令某啲人相信 Dialogue: 0,0:03:26.45,0:03:30.93,Default,,0000,0000,0000,,當我哋所知唯一宜居嘅星球\N自我毀滅之後 Dialogue: 0,0:03:30.93,0:03:33.36,Default,,0000,0000,0000,,火星就係我哋嘅救星 Dialogue: 0,0:03:34.06,0:03:36.57,Default,,0000,0000,0000,,雖然我好鍾意星際探索 Dialogue: 0,0:03:36.57,0:03:38.77,Default,,0000,0000,0000,,但我同時好唔贊同呢個諗法 Dialogue: 0,0:03:38.77,0:03:41.45,Default,,0000,0000,0000,,我哋有無數個好理由去火星 Dialogue: 0,0:03:41.45,0:03:45.02,Default,,0000,0000,0000,,但如果有人同你講\N火星係人類嘅後備星球 Dialogue: 0,0:03:45.02,0:03:47.23,Default,,0000,0000,0000,,就同鐵達尼號嘅船長同你講 Dialogue: 0,0:03:47.23,0:03:49.92,Default,,0000,0000,0000,,陣間喺救生艇上面會搞派對一樣荒謬 Dialogue: 0,0:03:49.92,0:03:53.45,Default,,0000,0000,0000,,(笑聲) Dialogue: 0,0:03:53.45,0:03:56.36,Default,,0000,0000,0000,,(掌聲) Dialogue: 0,0:03:56.36,0:03:57.61,Default,,0000,0000,0000,,多謝 Dialogue: 0,0:03:59.14,0:04:04.62,Default,,0000,0000,0000,,星際探索同星球保護並唔係矛盾嘅 Dialogue: 0,0:04:04.62,0:04:07.64,Default,,0000,0000,0000,,佢哋係同一個銀仔嘅兩面︰ Dialogue: 0,0:04:07.64,0:04:11.48,Default,,0000,0000,0000,,都係去了解、保護同改善將來嘅生活 Dialogue: 0,0:04:11.98,0:04:15.82,Default,,0000,0000,0000,,我哋呢個世界嘅極端環境\N其實等如外星嘅美景 Dialogue: 0,0:04:15.82,0:04:17.73,Default,,0000,0000,0000,,佢哋甚至更加近我哋屋企 Dialogue: 0,0:04:17.73,0:04:19.64,Default,,0000,0000,0000,,如果我哋明白點樣可以 Dialogue: 0,0:04:19.64,0:04:22.10,Default,,0000,0000,0000,,喺地球衝突、唔適宜人住嘅環境以外 Dialogue: 0,0:04:22.10,0:04:25.50,Default,,0000,0000,0000,,創造同維持宜居空間 Dialogue: 0,0:04:25.50,0:04:28.77,Default,,0000,0000,0000,,或者,我哋可以做到環境保護 Dialogue: 0,0:04:28.77,0:04:30.40,Default,,0000,0000,0000,,同時又可以做到更加多 Dialogue: 0,0:04:31.16,0:04:34.94,Default,,0000,0000,0000,,最後,我留俾大家思考費米悖論 Dialogue: 0,0:04:34.94,0:04:39.06,Default,,0000,0000,0000,,好多年前,物理學家費米問︰ Dialogue: 0,0:04:39.06,0:04:42.88,Default,,0000,0000,0000,,宇宙已經存在咗好長時間 Dialogue: 0,0:04:42.88,0:04:45.54,Default,,0000,0000,0000,,而我哋相信宇宙入面有好多星球 Dialogue: 0,0:04:45.54,0:04:48.65,Default,,0000,0000,0000,,我哋依家應該搵到外星生物嘅證據 Dialogue: 0,0:04:48.65,0:04:50.03,Default,,0000,0000,0000,,咁佢哋喺邊? Dialogue: 0,0:04:50.68,0:04:53.76,Default,,0000,0000,0000,,其中一個可以解答費米悖論嘅答案係 Dialogue: 0,0:04:53.76,0:04:55.97,Default,,0000,0000,0000,,喺外星生存嘅生物 Dialogue: 0,0:04:55.97,0:04:59.77,Default,,0000,0000,0000,,佢哋嘅文明已經進步到\N佢哋可以住喺星際之間 Dialogue: 0,0:04:59.77,0:05:00.94,Default,,0000,0000,0000,,但佢哋睇唔到 Dialogue: 0,0:05:00.94,0:05:04.39,Default,,0000,0000,0000,,以前一直住開、孕育佢哋文明嘅星球 Dialogue: 0,0:05:04.39,0:05:05.93,Default,,0000,0000,0000,,有幾重要 Dialogue: 0,0:05:06.97,0:05:10.65,Default,,0000,0000,0000,,如果覺得星際殖民已經可以拯救到人類 Dialogue: 0,0:05:10.65,0:05:12.99,Default,,0000,0000,0000,,咁樣實在係狂妄自大 Dialogue: 0,0:05:12.99,0:05:18.01,Default,,0000,0000,0000,,但星體保護同星際探索\N反而可以同時進行 Dialogue: 0,0:05:18.51,0:05:24.18,Default,,0000,0000,0000,,如果我哋可以將火星\N呢個咁惡劣嘅星球變成宜居 Dialogue: 0,0:05:24.18,0:05:29.77,Default,,0000,0000,0000,,咁保護我哋宜居嘅星球\N應該係更加輕易至啱 Dialogue: 0,0:05:29.77,0:05:30.69,Default,,0000,0000,0000,,多謝 Dialogue: 0,0:05:30.69,0:05:33.73,Default,,0000,0000,0000,,(掌聲)