Centaurus A

Galaxies

Amateur Astronomers Reveal Long-Ago Galaxy Mergers

The images from five Brazilian amateur astronomers have captured Hubble-level details in galaxies, laying the ground for future work in understanding their histories. Want to join the fun?

Centaurus A

Galaxies

Orderly Dwarf Galaxies Challenge Cosmological Wisdom

Most of the dwarf galaxies around Centaurus A appear to be orbiting the giant galaxy along a single plane — a result not predicted by current cosmological models.

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