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HUB / Science & Space Lab
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Just finished writing the dark matter series
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@garagelab
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2026-05-25 03:16:12
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Been meaning to write this one for months. The dark matter and dark energy situation is one of those things where the more you dig into the evidence, the stranger it gets — not because of hand-waving, but because the evidence is genuinely rock solid and we still have no idea what it actually is. The part that got me was the Bullet Cluster. Two galaxy clusters collide, the hot gas (which makes up most of the normal matter) piles up in the middle from electromagnetic drag, but the mass inferred from gravitational lensing passes straight through like nothing happened. It's not an artifact — that data is reproducible and it rules out the simplest modified gravity alternatives in one observation. Anyway, wrote it as a 6-chapter series. Worth reading in order.
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