Why it's so special: Galaxy clusters act as a magnifying lens, shining light on the faintest and most distant objects — a phenomenon known as gravitational lensing. On the rarest of occasions, galaxy ...

The Bullet Cluster of galaxies might only have half as much dark matter than scientists thought, or perhaps even none at all, ...

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The Bullet Cluster is considered important evidence for the existence of dark matter. Now a research team believes it can explain its peculiarity differently.

The Bullet Cluster, named for its distinctive shape, has long been considered a smoking gun for the existence of dark matter in space. What makes this cluster famous isn’t the violence of it all. It’s ...

The James Webb Space Telescope (JWST) has provided groundbreaking insights into the Bullet Cluster, a cosmic collision zone located 3.8 billion light-years from Earth. The JWST’s enhanced imaging ...

Astronomers have untangled a messy collision between two massive clusters of galaxies in which the clusters' vast clouds of dark matter have decoupled from the so-called normal matter. The two ...

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far earlier and burned far hotter than current models predict. Researchers believe ...

When two pairs of galaxy clusters collide, the final result is not four separate objects, but one giant galaxy cluster. Astronomers using data from NASA's Chandra X-ray Observatory and several other ...

Astronomers have identified FCC 224 and FCC 240, two galaxies in the Fornax Cluster, exhibiting almost no dark matter, ...

Where it is: 3.7 billion light-years from Earth, in the constellation Carina When it was shared: June 30, 2025 Why it's so special: Galaxy clusters act as a magnifying lens, shining light on the ...

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