Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching 一光年的距離有多長，目前人類最快的航天器，需要多久才能飛到？. and this video is uploaded by 科学大魔王The great devil of Science at 2020-12-23T02:12:27-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [s1gUW1D1RKQ]
| Name | 一光年的距離有多長，目前人類最快的航天器，需要多久才能飛到？ |
| Video Uploader | Video From 科学大魔王The great devil of Science |
| Upload Date | This Video Uploaded At 23-12-2020 10:12:27 |
| Video Discription | 在人類目前的認知裡，光速是宇宙中最快的速度，而光年是指光在真空條件下，沿直線傳播一年的距離，值得一提的是，光年並不是速度單位，而是以宇宙為尺度的長度單位，目前，光年的具體數值已經被確定，大約為9.46萬億公里，這是一種怎樣的概念呢 [s1gUW1D1RKQ] |
| Category | Science & Technology |
| Tags | 科学 | 科普 | 光速 | 光年 | 曲速引擎 |
