How Vera Rubin Changed the Universe

(Starts With A Bang!) – Ethan Siegel:

While there were hints of dark matter in the 1930s — observations of individual galaxies within clusters showed they were moving too fast for the stellar masses they displayed — Vera Rubin’s evidence in the 1970s was far stronger and more robust. Since that time, large-scale structure formation, the fluctuations in the cosmic microwave background and many other astronomical indicators point to the existence of dark matter. Many experiments were created to (so far, fruitlessly) search for the particle that might be behind it. And although we’re still seeking the holy grail of dark matter, a direct detection, it’s now a vital component of modern cosmology, astrophysics and theoretical physics. …

starts-with-a-bang 976a613bdaca

Vera Rubin

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