You may recognize the name, but do you know what the company is trying to achieve?Share prices of AST SpaceMobile (ASTS -0.72%) have skyrocketed about 460% since the start of the year. To say that the growth stock has drawn considerable investor interest would be a gross understatement. But while onlookers may be impressed with the stock's meteoric rise, many still wonder what it is exactly that the company does.Let's take a closer look at AST SpaceMobile to see what has the market so excited.The ABCs of AS ...