2026年9月16日 10:34 ET 发布 · 更新于 2 个月前 · 2 个来源
Newfound ‘Baby’ Planet Smashes Record for Youngest Known World
NASA News
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原始报道
Astronomers have confirmed a world that’s less than a million years old as the youngest known planet, using data from NASA-funded archives. Called Elias 2-24 b, the baby planet is still whirling in its natal disk of dust and gas. “Our planet-formation models already struggled to explain the previous record holders for the youngest known […]
原文