What remains unexplained is the object’s giant size, says astronomer Sergey Koposov at Carnegie Mellon University. “Normally, as galaxies lose mass to the Milky Way’s tides, they shrink, not grow.”
The Galaxy Report newsletter brings you twice-weekly news of space and science that has the capacity to provide clues to the mystery of our existence and add a much needed cosmic perspective in our current Anthropocene Epoch.
