Archive · 18 Sep 2025

Einstein Cross Formation Reveals Hidden Dark Matter Halo

Einstein Cross Formation Reveals Hidden Dark Matter Halo

Imagine a magnifying glass made of space.

This is what happens with the Einstein Cross, when gravity bends light from a distant galaxy, creating multiple images.

Scientists found a rare one with an extra image!

Using computer models, they found a massive, unseen cloud of dark matter that created this extra image.

This discovery provides a way to learn about dark matter, which we can't see but affects things around it, like the bending of light.

It's like seeing a hidden structure in space.

Sources