cluster

These Dwarf Galaxies Seem to Be Devoid of Dark Matter, And It Doesn't Make Sense

These Dwarf Galaxies Seem to Be Devoid of Dark Matter, And It Doesn’t Make Sense

by samypauls367
August 8, 2022

Ask astronomers about dark matter and one of the things they talk about is that this invisible, mysterious ‘stuff’ permeates the universe. In particular, it… Read More »These Dwarf Galaxies Seem to Be Devoid of Dark Matter, And It Doesn’t Make Sense

a field of stars

We found some strange radio sources in a distant galaxy cluster. They’re making us rethink what we thought we knew.

by samypauls367
August 3, 2022

The colliding cluster Abell 3266 as seen across the electromagnetic spectrum, using data from ASKAP and the ATCA (red/orange/yellow colours), XMM-Newton (blue) and the Dark… Read More »We found some strange radio sources in a distant galaxy cluster. They’re making us rethink what we thought we knew.