NASA released its first incredible video of our closest look at Saturn yet

On April 26, the Cassini spacecraft flew closer to Saturn than ever before -- between the gap that separates the planet from its rings. Since then, Cassini has been transmitting dozens of images of Saturn's surface. Here, NASA has compiled all the images into one, incredible video that reveals exactly what Cassini saw. One of the sights that surprised scientists most was the sharp edges of Saturn's hexagon and its central vortex.Saturn's hexagon is a giant cloud system on Saturn's north pole, an...