Occasionally, galaxy clusters are observed slamming into ... in order to have the observed energy density of dark matter.” Today, various labs are searching for axions, but with no definitive ...

Early Dark Energy Could Resolve Cosmology's Two Biggest ... Dark Matter Flies Ahead of Normal Matter in Mega Galaxy Cluster Collision July 24, 2024 — Astronomers have untangled a messy collision ...

The European Space Agency’s Euclid telescope aims to create the largest 3D map of the universe in the next six years. The ...

As gas is stripped from the galaxy, its pressure dynamics shift and either halt or boost star formation, leading to a ...

Careful observations of both the foreground cluster—which may itself ... better understand how dark matter and dark energy behave, as well as more about the universe’s ancient past. The farthest ...

However, the image doesn't show the dark matter that has a firm grip on the galaxy and the rest of the galaxies in the Perseus Cluster. Ancient astronomers would be astounded by what we've learned ...

This scene of cosmic chaos shows a section of the immense Perseus galaxy cluster, revealing several giant elliptical galaxies ...

Timothy Ferris in Seeing in the Dark A century ago ... and that the groups typically belong to large galaxy clusters, sometimes containing thousands of galaxies. Galaxy groups and clusters ...

The European Space Agency mission, launched in July 2023, will create the largest and most accurate 3D map of the cosmos yet to help answer enduring questions about the “dark side” of the ...