Hosted on MSN1mon
Astounding views of 2 million mph galaxy collision revealed
NGC 7320, however, lies in the foreground, disconnected from the ongoing interactions. At the heart of the system lies a massive filament of shocked gas, known as the Large-Scale Shock Region (LSSR).
Astronomy on MSN7mon
How to grasp the scale of the cosmos from your backyard
The fifth, NGC 7320, lies "only" 40 million light-years distant. But all five are lined up from our point of view, so ...