astralgia, n. (Gr. astro-, star + Gr. algos Ð pain, grief, distress; cf. nostalgia) - a longing for stars and interstellar travels to the remote corners of the universe; homesickness for cosmos.
The film "Gattaca" is about astralgia. The protagonist, Vincent, though deemed genetically flawed and subsequently fated to Á low-level occupation, pursues to the end his dream of space travel.