WASHINGTON, Feb. 9 (UPI) -- Is a faraway alien civilization using emoticons to communicate with us? Or are humans just predisposed to see faces where there aren't?
In a new image captured by the Hubble Space Telescope, a galaxy cluster called SDSS J1038+4849 appears to be smiling. And while it is enjoyable enough at face value, it also illuminates two scientific phenomena -- gravitational lensing and pareidolia.