Tag Archives: big cluster

Massive ‘El Gordo’ galaxy cluster shows dark matter colliding with itself

The strange behavior of the massive merging galaxy cluster could be explained by the collision of dark matter, the universe’s most mysterious substance, with itself. However, the currently most favored model of cosmology is the cold dark matter (CDM) model, which posits that dark matter, which is virtually invisible because it does not interact with… Read More »

Euclid space telescope finds 1.5 trillion orphan stars floating around in Perseus cluster (images)

Scientists using the Euclid space telescope have discovered a staggering 1.5 trillion orphan stars drifting within a massive cluster of thousands of galaxies, one of the largest structures in the universe. Torn away from their home galaxy, these orphan stars fill the space between the Perseus cluster’s galaxies with ghostly blue light. This so-called “intra-cluster”… Read More »