They’re Sure It Exists, But Scientists Still Unable to Detect Dark Matter
Back in 1933, Caltech astronomer and astrophysicist Fritz Zwicky was observing the Coma cluster, a large group of galaxies located some 321 million light years away in the Coma Berenices constellation. He noticed the speed of the galaxies rotating within the cluster was much faster than the quantity of its mass he had calculated. According to […]