CineCalidad. What makes people so attractive? With its beauty, unknownness, immense distance from the earth? Some have made this interest their profession and have become scientists - astronomers and astrophysicists, others have turned it into a hobby and all the free time from the roofs of houses and even in private observatories watch the starry sky, opening new stars, giving them names. About astronomy, astronomers - professionals and amateurs, tells this film.