Astonishing image of "space triangle" caused by colliding galaxies

The Hubble Space Telescope captured this incredible image of a "space triangle" caused by the collision of two galaxiesNGC 2445 seen above on the right and NGC 2444 on the left. Video explanation below. From NASA:

Astronomers suggest that the galaxies passed through each other, igniting the uniquely shaped star-formation firestorm in NGC 2445, where thousands of stars are bursting to life on the right-hand side of the image.