The Universe's Cosmic Microwave Background Is Remarkably 'Even.'

This ancient light, a relic from the Big Bang, shows incredibly uniform temperatures across the sky, with tiny fluctuations that seeded the formation of galaxies and large-scale structures.

Source

https://en.wikipedia.org/wiki/Cosmic_microwave_background

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Published: March 29, 2026
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Even Astronomy Physics Space Cosmic Microwave Background Cmb Universe Big Bang Cosmology Temperature Uniformity

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