What is Dark Matter?

Piled Higher and Deeper (PHD Comics) · 173K views · 2012 · 6:12

Open on YouTube

Cosmology & astrophysicsother

Why the open web links it

Explains dark matter with insights from physicists on its nature, quantity, and evidence for its existence.

Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including uci.edu, cern.ch.