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type: link
tags: [public, youtube]
created: 2025-11-06T02:51:46.19+00:00
updated: 2026-04-06T10:58:52.560254+00:00
---# ▶️ Earth Radius

**URL:** [https://youtu.be/YdOXS_9_P4U](https://youtu.be/YdOXS_9_P4U)

Earth Radius *in the video Terence Tao on the cosmic distance ladder, they presetn 12 742 km as the diameter of the earth. 2 times Radius of Earth = 12,742 Km r=6371


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**Keywords:** public, youtube
