Radio signal Memes

The infamous "Wow! Signal" of 1977 remains one of radio astronomy's greatest unsolved mysteries. For 72 tantalizing seconds, we captured something that defied explanation. Meanwhile, the scientific community is split between those desperately seeking rigorous explanations and those who've given up and started drinking. The technically correct answer "it came from space" is simultaneously the most useless and most accurate statement possible. Space is... rather big. Thanks for narrowing it down.