Largest known spiral galaxy in the universe shines in multi-telescope image
Visible light images, far-ultraviolet data, and infrared data are combined into one detailed portrait of the spiral galaxy NGC 6872, which is a whopping 522,000 light-years wide.
TroibNews 
Visible light images, far-ultraviolet data, and infrared data are combined into one detailed portrait of the spiral galaxy NGC 6872, which is a whopping 522,000 light-years wide.
