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What if Dark Matter Doesn’t Actually Exist?

Gayoung Lee· ·8 min read · 0 reactions · 0 comments · 3 views
#astrophysics#dark matter#gravity#cosmology#theoretical physics#Vedant Chandra#Center for Astrophysics | Harvard & Smithsonian#Sabine Hossenfelder#Science With Sabine#Stacy McGaugh#Case Western Reserve University#Triton Station#Newton
What if Dark Matter Doesn’t Actually Exist?
⚡ TL;DR · AI summary

Dark matter is the leading explanation for the unseen mass influencing the universe's structure, yet it has not been directly detected. Some scientists question its existence and suggest alternatives, such as modifications to the laws of gravity. Despite the lack of definitive proof, dark matter remains the most consistent with current observations, though the debate remains open.

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Original article
Gizmodo · Gayoung Lee
Read full at Gizmodo →
Opening excerpt (first ~120 words) tap to expand

A huge chunk of the universe is missing. It’s nowhere to be seen, at least not with anything that humanity is technologically capable of capturing at this moment. But astronomers know that there’s something there—the gravitational influence of an invisible material that constitutes roughly 85% of the universe’s mass. As of now, the best explanation scientists have for this is dark matter, a hypothetical form of matter that doesn’t absorb, emit, or reflect light.…

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