The optical counterpart to the radio object is a peculiar giant elliptical galaxy.
In that case the two galaxies will merge to form a giant elliptical galaxy.
"These dwarfs may look insubstantial, but they are like cannonballs to a giant galaxy."
Ultimately, the galaxies will merge to form a single giant elliptical galaxy.
A giant galaxy interacting with its satellites is common.
"It's on its way to becoming a giant galaxy and hasn't quite got there yet," Professor Spinrad said.
A giant elliptical galaxy, part of a large cluster.
A likely outcome of the collision is that the galaxies will merge to form a giant elliptical galaxy.
The nuclei of the two galaxies are joining to become one giant galaxy.
The most massive galaxies in the sky are giant elliptical galaxies.