儿童友好行星巡礼：只和地球比

「儿童友好行星巡礼：只和地球比」（太空与天文冷知识）字幕级无露脸大纲：钩子、结构时间轴、可核对事实与原创化提醒；参考 2 条上传者字幕。

角度

基于人工字幕定时节拍的选题大纲：儿童友好行星巡礼：只和地球比
人工字幕参考：dSgP3J4fD6U、U5GdEk3kOfg
只复用定时节拍与可引用事实——旁白须原创；时间戳上屏

钩子

0:00–0:40: 用人工字幕里的真实节拍冷开场，承诺为「儿童友好行星巡礼：只和地球比」给出可执行的无露脸大纲：时间轴 + 带时间戳事实 + 原创化提醒。旁白须原创，禁止照抄参考片脚本。 dSgP3J4fD6U@0:00 U5GdEk3kOfg@0:00

结构时间轴展开收起

U5GdEk3kOfg 0:00–1:03 — Let's start with the scary and slowly work our way towards the most terrifying ones on the list.
U5GdEk3kOfg 1:07–2:10 — but I'm sure the majority of the pieces go unreported since they most likely land in the ocean, where they blend in with the rest of the trash.
U5GdEk3kOfg 2:12–3:16 — Now let's zoom out and take a look at the areas here.
U5GdEk3kOfg 3:21–4:22 — NASA estimates that there are at least 100 billion planets in the Milky Way galaxy alone. and over 6 sextillion planets in the observable universe.
U5GdEk3kOfg 4:24–5:25 — But if Jupiter's not scary enough, Our galaxy has many other horrific planets to choose from. Like planets that constantly rain molten iron or molten glass.
U5GdEk3kOfg 5:28–6:28 — an alien or an extraterrestrial being is simply just something that is living that didn't originate on earth. So this could be something as small as bacteria.
dSgP3J4fD6U 0:00–1:21 — You walk outside and watch as the moon gets bigger and bigger, tumbling towards the earth at an astonishing speed.
dSgP3J4fD6U 1:28–2:31 — our solar system, they visited all of the outer planets, taking all of these jaw-dropping images of them and investigating their moons for the first time ever.
dSgP3J4fD6U 2:37–3:54 — We welcome you on behalf of the inhabitants of the earth. Hello from the children of planet Earth.
dSgP3J4fD6U 4:03–5:19 — ripples throughout the fabric of space-time at the speed of light. These ripples squeeze and stretch everything in their path.

字幕可核对事实展开收起

字幕依据：Let's start with the scary and slowly work our way towards the most terrifying ones on the list. Space Junk As it turns out, our planet is not the only thing we treat like a giant trash can. Since space is slowly becoming a giant landfill as well. U5GdEk3kOfg@0:00
字幕依据：but I'm sure the majority of the pieces go unreported since they most likely land in the ocean, where they blend in with the rest of the trash. as we leave Earth's orbit and begin to look further out into the universe, we quickly begin to discover all sorts of terrifying things. U5GdEk3kOfg@1:07
字幕依据：Now let's zoom out and take a look at the areas here. this particular one here is called Boötes void and is one of the largest voids in the known universe, spanning around 330 million light years wide. For perspective, the entire Milky Way galaxy, which is home to at least 100 billion planets, is 100,000 light years wide. U5GdEk3kOfg@2:12
字幕依据：You walk outside and watch as the moon gets bigger and bigger, tumbling towards the earth at an astonishing speed. Here's what would really happen if the moon hit the earth. As the moon gets closer, the first thing we will notice is a dramatic shift in the tides. dSgP3J4fD6U@0:00
字幕依据：our solar system, they visited all of the outer planets, taking all of these jaw-dropping images of them and investigating their moons for the first time ever. But you see, these are actually special spacecraft. They are further away from us than anything ever produced by a human. dSgP3J4fD6U@1:28
字幕依据：We welcome you on behalf of the inhabitants of the earth. Hello from the children of planet Earth. And more than 100 images expertly chosen by Carl Sagan and his team to tell our story, the human story, Earth's story. Now, before I show you this picture, I want you to take a deep breath because it's honestly pretty terrifying. dSgP3J4fD6U@2:37
字幕依据：messaged home saying, my battery is low and it's getting dark. Now, while these facts are truly unbelievable, something I find unbelievable is the shaving industry here on earth. If you have sensitive skin, your options are to either use an electric razor or simply stop shaving. dSgP3J4fD6U@5:25
字幕依据：And Henson even partnered with a medical imaging startup to measure the redness and razor burn when using the Henson razor versus a leading multi-blade brand. And I mean, the results speak for themselves. Now I have used safety razors like this for the last few years now, and I can be honest and say that this is genuinely the best one I've used. dSgP3J4fD6U@6:35

节拍 / 大纲

钩子（0:00–0:40）：冷开场点题「儿童友好行星巡礼：只和地球比」——讲清太空垃圾的恐怖（旁白原创，勿照抄参考片）。
要点 1：讲清太空垃圾的恐怖（U5GdEk3kOfg@0:00）。
要点 2：演示太空垃圾的危害（U5GdEk3kOfg@1:07）。
要点 3：讲清巨大的空虚区域（U5GdEk3kOfg@2:12）。
要点 4：演示月球撞击地球的后果（dSgP3J4fD6U@0:00）。
要点 5：讲清探测外星行星的特殊飞船（dSgP3J4fD6U@1:28）。
收尾：三条定时引用回顾卡 + 来源上屏。旁白须原创。

转场

冷开场后打标题卡点明「儿童友好行星巡礼：只和地球比」的承诺。
切换参考片时用下三分显示 video id + 时间戳，方便核对。
收尾前定格回顾卡，放入事实列表里 3 个可核对点。

收尾 / CTA

用回顾卡结束「儿童友好行星巡礼：只和地球比」，列出 3 条定时引用；评论区征集下一子角度。旁白须原创——只复用节拍，不复用原片台词。

参考片对照

多参考时按「对题片段密度」分配时长，默认不要均分。
参考 dSgP3J4fD6U：保留定时节拍，去掉广告/片尾求订阅。
参考 U5GdEk3kOfg：保留定时节拍，去掉广告/片尾求订阅。

原创化建议

TTS 旁白原创；画面下三分标注片名与时间戳作研究引用。
不要粘贴主持人梗、赞助口播或片尾固定 CTA。
优先使用带时间戳的具体事实，避免空泛的「专家说」。
时间轴/事实里没有的主张：删掉，或明确标成你的假说。

参照片

15 Minutes of ACTUALLY Unbelievable Space Facts dSgP3J4fD6U
The Most Terrifying Things in Our Universe U5GdEk3kOfg

方法

yt-dlp VTT 人工字幕（上传者提供，非自动/ASR）→ 全文按 60–90 秒切段（超长视频关键词定位）→ 选题级编辑综合。仅结构参考；旁白须原创。