The Wow! Signal T-Shirt
The Wow! Signal T-Shirt: The Wow! signal was a strong narrowband radio signal received on August 15, 1977. Astronomers were not able to locate its origin and as such it has been hailed as proof of alien life. In 2017, Professor Antonio Paris claimed he had solved the 40-year-old mystery but we'll let you decide: a pair of comets or extraterrestrial activity?