Dune (Imaginary place) Interplanetary voyages Political corruption Prophecies Families Imperialism Women Apathy Aristocracy (Social class) Assisted suicide Astronauts Cerebrovascular disease Convents Discovery and exploration Dysfunctional families Euthanasia Exploration Family relationships Fathers Fathers and daughters Feature films Grandparent and child Haunted houses History Investigation Lesbian Roman Catholics Lesbian characters Lesbian cinema Lesbian nuns Man-woman relationships