Credit: NASA/JPL-Caltech/Max-Planck Institute/P. Appleton (SSC/Caltech)

This shockwave, visible in this false color image of the Stephen’s Quintet galaxy, is larger than our own Milky Way. Four of the five galaxies pictured are involved in a massive collision, and the shockwave is being produced by one of the galaxies falling toward the other at over a million miles an hour. Amazing! Que the music, “Da da dumm… when galaxies collide.”

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