The Universe Might Have a Preferred Direction. That’s a Problem
🌌 Modern cosmology assumes the universe has no preferred direction. But anomalies in the cosmic microwave background — and hints in large-scale structure — suggest a surprising alignment that shouldn’t be there.
In this video, we break down what the “Axis of Evil” actually is, what the data shows, what could explain it, and why the question is still open.
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Recommended reading related to this episode:
→ Modern Cosmology (Dodelson, Scott) - https://amzn.to/4r6ymRz
→ Physical Foundations of Cosmology (Mukhanov) - https://amzn.to/4bfSX0R
→ Introduction to Cosmology (Barbara Ryden) - https://amzn.to/4r2rt3G
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Credits:
ESA-Planck collaboration, CC BY 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons
Sloan Digital Sky Survey, CC BY 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons
Evan Mason, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons
Rubin Observatory/NSF/AURA/B. Quint, CC BY 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons