Explore This SectionScienceExoplanetsYZ Ceti bExoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the UniverseSearch for LifeThe Big QuestionsAre We Alone?Can We Find Life?The Habitable ZoneWhy We SearchTarget Star CatalogDiscoveriesDiscoveries DashboardHow We Find and CharacterizeMissionsPeopleExoplanet CatalogImmersiveThe ExoplaneteersExoplanet Travel Bureau5 Ways to Find a PlanetStrange New WorldsUniverse of MonstersGalaxy of HorrorsNewsStoriesBlogResourcesGet InvolvedGlossaryEyes on ExoplanetsExoplanet WatchMoreMultimediaExEP YZ Ceti bUnable to render the provided sourceYZ Ceti b is a terrestrial exoplanet that orbits an M-type star. Its mass is 0.7 Earths, it takes 2 days to complete one orbit of its star, and is 0.01634 AU from its star. Its discovery was announced in 2017. Keep Exploring Discover More Topics From NASA Search for Life Stars Universe Black Holes