While it’s common to think of the universe as dark, mysterious and infinite, it’s less often that we consider all the human-made space junk floating around nearby. The cosmos is a graveyard of spacecraft—each with its own story. These defunct vessels “glide silently in Earth’s vicinity” with “their mission to chronicle the wonders of the universe long ended.” The Kepler, for instance, trails our planet since running …
Our Cosmos is a Spacecraft Graveyard