NASA Spitzer Space Telescope and Hubble Space Telescope combined to make this image of a pair of colliding galaxies called NGC 6240 shows them in a rare, short-lived phase of their evolution just before they merge into a single, larger galaxy.
NASA Spitzer Space Telescope and Hubble Space Telescope combined to make this image of a pair of colliding galaxies called NGC 6240 shows them in a rare, short-lived phase of their evolution just before they merge into a single, larger galaxy.