huge cluster

The enormous ‘El Gordo’ cluster of galaxies suggests that dark matter is colliding with itself

by

Strange behavior in a huge cluster of merging galaxies could be explained if dark matter, the universe’s most mysterious stuff, can collide with itself. However, the most favored model of cosmology at the moment is the Cold Dark Matter (CDM) model – and it suggests that dark matter, which is effectively invisible because it does … Read more

Euclid Space Telescope finds 1.5 trillion orphan stars roaming the Perseus cluster (images)

by

Using the Euclid Space Telescope, scientists have discovered a whopping 1.5 trillion orphan stars floating through a massive cluster of thousands of galaxies, one of the largest structures in the cosmos. These orphan stars, torn from their own galaxies, fill the space between the galaxies of the Perseus cluster with ghostly blue light. This so-called … Read more