The most recent Chandra press and image release “NASA’s Chandra Discovers Giant Black Holes on Collision Course” was released on 2/22/23. NASA’s Chandra X-ray Observatory helped identify two pairs of dwarf galaxies on track to merge. Dwarf galaxies, which are at least about 20 times less massive than the Milky Way, likely formed larger galaxies through collisions in the early Universe. These newly discovered merging dwarf galaxies can be used as analogs for more distant ones that are too faint to observe. The dwarf galaxies are on collision courses and are found in the galaxy clusters Abell 133 and Abell 1758S.
For more information: Chandra Discovers Giant Black Holes on Collision Course.
