Today, NASA turns off a space telescope that peered into the extra cold Universe

Today, NASA is shutting down one of its long-lasting space observatories, a telescope that’s been wandering through space for nearly two decades, snapping images of some of the coldest and most ancient objects in the Universe.The soon-to-be sleeping spacecraft is the Spitzer Space Telescope, launched in 2003. The observatory was originally designed to last between two-and-a-half and five years, but thanks to clever engineering, the scientists operating the observatory were able to squeeze