First of all, that needs to be a band name: Wow! signal.
Second, I was reading about the Wow! signal today and the wikipedia entry linked several interesting and lovely words and phrases. And also, now I'm an astronomy expert. It's true.
hydrogen line: electromagnetic radiation spectral line created by a change in the energy state of neutral hydrogen atoms.
interstellar scintillation: generic term for rapid variations in apparent brightness or color of a distant luminous object viewed through a medium, most commonly the atmosphere.
atmospheric twinkling: (same as scintillation)
Very Large Array: super-imaginative name for a radio astronomy observatory in New Mexico.