over from the dense early universe. The hot gas in a cluster is held in the cluster primarily by the gravity of the dark matter, so the distribution of the hot gas is determined by that of the dark ...

Two projects in JWST’s first observation cycle will probe the nature of dark matter. On Christmas morning of 2021, an Ariane 5 CEA rocket blasted off from Kourou, French Guiana. It carried with it the ...

Many of us have been fascinated by the concept of absolute zero, the temperature at which everything comes to a complete stop. But physics tells us otherwise: absolute zero cannot be reached but only ...

There was an excellent live podcast with Rajendra Gupta, Brian Keating and several others a couple days ago discussing current data and findings. Its interesting as Gupta proposed a new paradigm that ...

Cold atoms and matter waves is a research area focused on the quantum behavior of dilute atomic gases cooled to microkelvin or nanokelvin temperatures, where their de Broglie wavelengths become ...