Group 1 - The core theme of the upcoming New Year's Eve speech by Zhang Chaoyang, founder and CEO of Sohu, will be "The Solar System We Live In," focusing on the fundamental parameters of the solar system and the beauty of mathematics and physics [1][4] - The event will be live-streamed on Sohu Video's account "Zhang Chaoyang," inviting the audience to reflect on the universe as they welcome the new year [1][4] - The speech aims to explore the laws and wonders of planetary motion within the solar system, revisiting the journey from classical physics to modern astrophysics, and reassessing humanity's position and mission in the vast universe [3][4] Group 2 - Over the past four years, Zhang Chaoyang has conducted more than 270 live classes and over 30 offline classes, accumulating over 26,000 minutes of online teaching, making complex physical theories accessible to the public [3] - Last year's New Year's Eve speech focused on quantum mechanics and its applications in modern technology and natural phenomena, while the 2024 speech delved into the essence of time and the theory of general relativity [4]

不好意思，各位！这个视频做太久了，导致更新慢了。 本视频建议全屏观看，效果更佳！ 另外，本来视频不想加字幕的，怕影响体验。但是介于本人普通话口音太重，考虑再三还是加了字幕，尴尬…… 视频章节： 00:00 宇宙有多大？ 00:32 离开地球 01:16 月球 02:10 太阳系 04:10 比邻星 04:20 半人马座alpha 04:33 银河系 06:58 本地泡 08:25 仙女座星系 09:04 本星系群 09:37 室女座超星系团 10:08 拉尼亚凯亚超星系团 11:17 巨引源 11:54 夏普利超星系团 12:13 宇宙网 13:18 宇宙空洞 14:00 暗物质和暗能量 14:56 可观测宇宙 17:42 宇宙的形态 ...