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title: 'The ''geoid'': Why NASA’s gravity model makes Earth look like a potato'
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published_at: '2026-08-17T13:50:30Z'
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# The 'geoid': Why NASA’s gravity model makes Earth look like a potato

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- (なし)

## Details
(本文なし。リンク先参照)

## Source
元記事: [The 'geoid': Why NASA’s gravity model makes Earth look like a potato](http://www.euronews.com/next/2026/08/17/the-geoid-why-nasas-gravity-model-makes-earth-look-like-a-potato) — published 2026-08-17T13:50:30Z