The early universe wasn’t nearly as pristine as scientists thought

2026-10-02来源 Science Daily TechEnglish
JWST has revealed that galaxies were spreading carbon, oxygen, and other heavy elements through space just 500 million years after the Big Bang. The surprising discovery suggests the young universe became chemically enriched much earlier than expected, potentially erasing traces of its very first stars.

原文：https://www.a8q9.cn/en/article/the-early-universe-wasn-t-nearly-as-pristine-as-scientists-thought-4888eb.html

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