Answer:
IC 1101
Explanation:
The biggest known galaxy is IC 1101, which is 50 times the Milky Way's size and about 2,000 times more massive.
Our Milky Way galaxy is around 100,000 light-years across, but that's fairly average for a spiral galaxy. In comparison, the largest known galaxy, called IC 1101, is 50 times larger and about 2,000 times more massive than our galactic home.
