Culips English Podcast: Practical English Learning Made Fun Learn and Explore: Join Culips for an exciting English learning journey. Our podcast focuses on teaching English idioms, slang, and phrasal verbs through fun and engaging conversations. Each episode helps you master English for real-life situations. Unique Learning Experience: Culips stands out by blending language skills with cultural insights. Our diverse hosts make learning relatable, covering a variety of everyday topics. You’ll ...
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Lecture 34: The Expanding Universe
Manage episode 1022695 series 8847
内容由Richard Pogge提供。所有播客内容(包括剧集、图形和播客描述)均由 Richard Pogge 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
How did we discover that the Universe is Expanding? What does it mean that it is expanding? This lecture introduces Hubble's Law, the observational evidence that the Universe is systematically expanding. As galaxies get more distant from us, the apparent speed of recession gets larger in proportion. The proportionality is the rate of expansion, called the Hubble Parameter (H0). This leads us to the idea of expanding space, and the Cosmological Redshift, which combined with the Hubble Law allows us a way to estimate very large cosmic distances. We will take up the more thorny issue of the Cosmic Distance Scale in tomorrow's lecture. Recorded 2006 February 23 in 1008 Evans Laboratory on the Columbus campus of The Ohio State University.
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43集单集
Manage episode 1022695 series 8847
内容由Richard Pogge提供。所有播客内容(包括剧集、图形和播客描述)均由 Richard Pogge 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
How did we discover that the Universe is Expanding? What does it mean that it is expanding? This lecture introduces Hubble's Law, the observational evidence that the Universe is systematically expanding. As galaxies get more distant from us, the apparent speed of recession gets larger in proportion. The proportionality is the rate of expansion, called the Hubble Parameter (H0). This leads us to the idea of expanding space, and the Cosmological Redshift, which combined with the Hubble Law allows us a way to estimate very large cosmic distances. We will take up the more thorny issue of the Cosmic Distance Scale in tomorrow's lecture. Recorded 2006 February 23 in 1008 Evans Laboratory on the Columbus campus of The Ohio State University.
…
continue reading
43集单集
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