Jupiter’s Great Red Spot is perhaps one of the most recognizable features of our Solar System. The “spot” is actually a massive, turbulent storm roughly the size of three and a half Earths. The storm has been circling the planet for at least 186 years. This classic photograph was created from three black-and-white negatives from Voyager 1’s 1979 flyby of the gas giant. In 2012, Voyager 1 entered interstellar space, the region between stars — and is still sending signals back to Earth. Talk about return on investment…