SunSunrise & Sunset TimesDay and Night World MapWhere is the Sun directly overhead right now?Twilight, Dawn, and DuskWhat are the three stages of twilight?Perihelion and AphelionWhen is Earth nearest and farthest from the Sun?Read more about the SunMoonMoonrise & Moonset TimesMoon Phases in Your CityMoon Light World MapWhere is the Moon visible right now?Moon Phases VisualizedWhat are the positions of Earth and the Moon right now?Read more about the MoonSolar & Lunar EclipsesEclipse LookupSep 17–18, 2024: Partial Lunar EclipseOct 2, 2024: Annular Solar EclipseSolar and Lunar Eclipses WorldwideAll eclipses and transits from 1900 to 2199.Upcoming Live StreamsWatch LIVE coverage of our solar and lunar eclipses.Read more about eclipsesEarth & Space LibraryFrom Apogee to Zodiacal light, browse our astronomy articles.Astronomy NewsKeep up with events in the sky and space.Astronomical Events 2024Notable dates for skywatchers and stargazers.Equinoxes & SolsticesAstronomical Season CalculatorSpring EquinoxWhen does spring begin?Summer SolsticeWhen does summer begin?Fall EquinoxWhen does fall/autumn begin?Winter SolsticeWhen does winter begin?Read more about the seasonsMeteors, Comets & AsteroidsMeteor ShowersCalendars, animations, and tips for catching shooting stars.CometsWhat is a comet?AsteroidsWhat is an asteroid?Quadrantids (January) Lyrids (April) Eta Aquarids (May) Perseids (August) Draconids (October) Orionids (October) Leonids (November) Geminids (December) Ursids (December) Read more about meteorsNight Sky & PlanetsNight Sky LookupThe Sky TonightFind and track the Sun, Moon, planets, and stars.Planet Distance & BrightnessWhich planet is closest to Earth right now?Planet Sizes & OrderWhich are the biggest and smallest planets?Astronomical GlossaryKnow your albedo from your antumbra.Read more about the planetsOur Solar SystemThe SunOur Home StarMercuryThe Iron PlanetVenusOur Twin PlanetEarthOur Living PlanetThe MoonOur SatelliteMarsThe Red PlanetJupiterThe Massive PlanetSaturnThe Ringed PlanetUranusThe Sideways PlanetNeptuneThe Farthest Planet