第3章 埃文斯牧师的宇宙 The Reverend Evans's Universe · 第4讲S3

1. 老师，讲稿里说超新星爆炸的破坏力是以光速传播的，那我们根本没法提前四年多预警，这到底是啥意思呀？
2. 文中提到超新星爆炸会产生 fabulous auroras（惊人的极光），但为什么作者紧接着说 'This will not be a good thing' 呢？
3. 讲稿里把超新星爆炸产生的宇宙射线比作 'shimmering curtains of spooky light'，这个比喻具体是指极光长啥样？
4. 为什么超新星爆炸会 'blow away the magnetosphere'（吹散磁层）？磁层没了对我们人类有啥具体的致命危害？
5. 既然离超新星太近（10光年内）会死，那如果离得远一点，虽然看不到那种恐怖的极光，还会受到辐射伤害吗？

1. Teacher, the script says the destructive force of a supernova explosion travels at the speed of light, so we can't get a warning years in advance. What exactly does that mean?
2. The text mentions that a supernova explosion would produce 'fabulous auroras,' but why does the author immediately say, 'This will not be a good thing'?
3. The script compares the cosmic rays from a supernova to 'shimmering curtains of spooky light.' What exactly does this metaphor refer to regarding the appearance of the aurora?
4. Why would a supernova explosion 'blow away the magnetosphere'? What specific fatal harm would the loss of the magnetosphere cause to humans?
5. Since being too close to a supernova (within 10 light-years) is deadly, if we are further away and don't see that terrifying aurora, would we still suffer from radiation damage?

1 00:00:07,700 --> 00:00:11,060 What would it be like if we had four years and four months 2 00:00:11,060 --> 00:00:15,840 to watch an inescapable doom advancing toward us, 3 00:00:15,980 --> 00:00:18,160 knowing that when it finally arrived, 4 00:00:18,500 --> 00:00:21,220 it would blow the skin right off our bones? 5 00:00:22,940 --> 00:00:25,260 如果我们真的有四年多的时间, 6 00:00:25,360 --> 00:00:30,220 四年零四个月的时间去观看一个 inescapable, 7 00:00:30,300 --> 00:00:35,360 无法逃避的 doom advancing toward us. 8 00:00:45,480 --> 00:00:52,840 不可避免的大灾难朝 9 00:00:53,670 --> 00:00:54,630 着我们逼近 10 00:00:55,640 --> 00:01:05,540 我们难道就这样眼睁睁地看着吗明知道当它到达的时 11 00:01:05,540 --> 00:01:05,660 候 12 00:01:06,400 --> 00:01:11,300 我们所有人都将屁股无存 would people still go to work 13 00:01:11,300 --> 00:01:15,160 would farmers plant crops would anyone deliver them to 14 00:01:15,160 --> 00:01:19,580 the stores 还有人把自己种的庄稼送到商店去吗 15 00:01:19,580 --> 00:01:20,300 deliver 16 00:01:20,380 --> 00:01:26,100 送货 weeks later back in the town in New Hampshire where 17 00:01:26,100 --> 00:01:31,120 I live I put these questions to John Thorstensenan 18 00:01:31,120 --> 00:01:35,780 astronomer at Dartmouth Collegeoh no he said laughing 19 00:01:35,780 --> 00:01:37,760 the news of such an event 20 00:01:49,400 --> 00:01:49,900 这 21 00:01:50,340 --> 00:01:55,980 一事件的消息是以光速传播的但是它的破坏性也是以 22 00:01:55,980 --> 00:01:56,940 光速传播 23 00:01:57,010 --> 00:02:01,050 所以你不可能有四年多的时间去等待这个 24 00:02:01,050 --> 00:02:02,410 Inescapable Doom 25 00:02:03,190 --> 00:02:08,920 你会在知晓这一事件的那一刻就被它杀死 But 26 00:02:09,020 --> 00:02:11,980 don't worry,this is not going to happen For 27 00:02:12,430 --> 00:02:15,450 the blast of a supernova explosion to kill you, 28 00:02:15,610 --> 00:02:19,110 he explained You would have to be ridiculously close 29 00:02:19,110 --> 00:02:26,190 Blast 是爆炸产生的冲击波要想让超新星爆炸杀死你 30 00:02:26,190 --> 00:02:30,950 那也不是那么容易的你得要靠它非常近近到 31 00:02:30,950 --> 00:02:36,350 ridiculous 近到荒谬可笑的地步 Probably within 10 32 00:02:36,350 --> 00:02:41,970 light years or so 大概是十光年以内吧十光年虽然已经 33 00:02:41,970 --> 00:02:46,760 是我们无法想象的距离了但是对于宇宙空间来说它还 34 00:02:46,760 --> 00:02:48,350 是 ridiculously close 35 00:02:49,300 --> 00:02:53,260 The danger would be various types of radiationcosmic 36 00:02:53,260 --> 00:02:59,700 rays and so on 危险主要在于各种各样的辐射宇宙射线 37 00:02:59,700 --> 00:03:00,180 等等 38 00:03:01,010 --> 00:03:04,550 These would produce fabulous aurorasshimmering 39 00:03:04,550 --> 00:03:07,550 curtains of spooky light that would fill the whole sky 40 00:03:07,550 --> 00:03:12,190 This will not be a good thing These refers to cosmic rays 41 00:03:12,190 --> 00:03:17,200 Fabulous means unbelievable or wonderful Aurorus 就 42 00:03:17,200 --> 00:03:23,330 是极光是由太阳发出的太阳风也就是宇宙射线沿着磁 43 00:03:23,330 --> 00:03:28,730 力线向南北两极移动以极快的速度进入地球大气层的 44 00:03:28,730 --> 00:03:33,910 上空使得高层大气分子或原子激发或电离产生这种绚 45 00:03:33,910 --> 00:03:34,690 丽的光芒 46 00:03:35,400 --> 00:03:41,360 但现在当超新星爆炸的时候不单是太阳发出了宇宙射 47 00:03:41,360 --> 00:03:47,020 线这些超新星也发出了大量的宇宙射线也将会产生这 48 00:03:47,020 --> 00:03:50,820 种 fabulous auroras 它们是 shimmering curtains of 49 00:03:50,820 --> 00:03:53,720 spooky lightshimmering 就是 50 00:03:53,780 --> 00:03:57,930 这种感觉波光闪闪的感觉 curtains 51 00:03:58,520 --> 00:04:01,360 You can see that some of the auroras are like 52 00:04:01,360 --> 00:04:04,140 curtainsalthough some look like stripes 53 00:04:05,000 --> 00:04:07,380 Spooky means it's so frightening, 54 00:04:07,520 --> 00:04:12,500 so strange that it makes you think of ghost 阴森可怕的 55 00:04:12,500 --> 00:04:13,420 This 56 00:04:13,930 --> 00:04:17,830 will not be a good thing 虽然很绚丽多彩但可不是好事 57 00:04:17,830 --> 00:04:23,850 对人的伤害是很大的整个句子是说这些宇宙射线会制 58 00:04:23,850 --> 00:04:29,710 造出惊人的极光整个天空成了布满闪闪幽光的光幕 59 00:04:33,760 --> 00:04:38,120 Anything potent enough to put on such a showwell blow 60 00:04:38,120 --> 00:04:41,020 away the magnetospherepotent means 61 00:04:41,020 --> 00:04:47,300 powerfulmagnetospheremagnet 这是磁场磁力的意思 62 00:04:47,300 --> 00:04:54,050 sphere 是球体球状的大家可以联想一下 atmosphere 大 63 00:04:54,050 --> 00:04:57,250 气层 magnetosphere 就是磁层 64 00:04:57,830 --> 00:05:02,450 它跟大气层一样是包裹着整个地球的 the 65 00:05:02,580 --> 00:05:07,420 magnetic zonehigh above the earth 它是地球上空的磁 66 00:05:07,420 --> 00:05:08,240 力区域 67 00:05:14,860 --> 00:05:21,820 这个磁层呢平时会保护我们免受紫外线的袭击 68 00:05:21,820 --> 00:05:28,840 ultravioletviolet 是紫罗兰也是指紫色的意思那 69 00:05:28,840 --> 00:05:33,750 ultra 是外的大家可以想一想如果是红外线英语该怎 70 00:05:33,750 --> 00:05:35,120 么说呢它 71 00:05:35,500 --> 00:05:39,400 可以使我们免受紫外线和其他宇宙射线的 72 00:05:39,400 --> 00:05:42,900 assaultsassaults means attacks 73 00:05:43,620 --> 00:05:48,960 就是袭击攻击 anything potent enough to put on such a 74 00:05:48,960 --> 00:05:54,240 show 凡是有能力制造出这样一种奇观的东西其实这里 75 00:05:54,240 --> 00:05:59,140 指的就是超新星的爆炸它完全可以 blow away the 76 00:05:59,140 --> 00:06:04,720 magnetosphere 可以把地球的磁层摧散把它摧毁掉 77 00:06:06,240 --> 00:06:07,660 没有了磁 78 00:06:07,660 --> 00:06:10,660 层 79 00:06:20,310 --> 00:06:27,150 的保护哪个倒霉蛋要是走到阳光里去的话很快就会变 80 00:06:27,150 --> 00:06:30,850 成像一个烧焦的比萨饼那样