Not sure about a pop group, but there was a rock group called Bad Company.
Yes, our galaxy, the Milky Way, is part of a group of galaxies called the Local Group, which is moving through space. The Local Group is also part of a larger structure called the Virgo Supercluster, which is itself moving within the expanding universe. So, in a sense, our galaxy is orbiting within the larger cosmic structure of the universe.
is something that comes out of your ass!!
Unknown. It started at the "big bang" and is still expanding, and now it seems to be expanding even faster (so-called dark energy) But the "why" is a total mystery.
They are still a big group and expanding.
An example of something that is contracting is a deflating balloon, as its volume decreases. An example of something that is expanding is a growing plant, as it increases in size and complexity.
mass
the cabinet
Yes, through something called Slack.
Whale
bankers
if your talking about an animal group then, toads in a group are called "knots"