dark matter

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A missing ingredient in dark matter theories?

In 1933, Fritz Zwicky, observing the Coma galaxy cluster, noted that single galaxies were moving too fast for the cluster to remain bound, according to the measure of visible mass. Only a far more significant amount of invisible matter could explain the strong gravitational force... click to read more

Massimo Meneghetti | Researcher at Osservatorio di Astrofisica e Scienza dello Spazio, Istituto Nazionale di Astrofisica (INAF), Bologna, Italy

gravitational lensing

galaxies

dark matter

Galaxy Clusters

Reading time 3.5 min

published on Mar 31, 2021

Is dark matter lighting up the sky with X-rays?

Eighty-five percent of the mass in our Universe is the mysterious substance named dark matter. Besides giving it a name, however, we know little else about it. How can we claim we know dark matter exists if we can't even see it? Through gravity. Just... click to read more

Nick Rodd | Miller Fellow at University of California, Berkeley, USA

astrophysics

X-Ray Astronomy

dark matter

particle physics

Reading time 4 min

published on Mar 2, 2021