Astronomy Central: Space and Sky Events for Your City

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Sun

Sunrise & Sunset Times

Day and Night World Map

Where is the Sun directly overhead right now?

Twilight, Dawn, and Dusk

What are the three stages of twilight?

Perihelion and Aphelion

When is Earth nearest and farthest from the Sun?

Read more about the Sun

Moon

Moonrise & Moonset Times

Moon Phases in Your City

Moon Light World Map

Where is the Moon visible right now?

Moon Phases Visualized

What are the positions of Earth and the Moon right now?

Read more about the Moon

Solar & Lunar Eclipses

Eclipse Lookup

Oct 14, 2023: Annular Solar Eclipse
Apr 8, 2024: Total Solar Eclipse

Solar and Lunar Eclipses Worldwide

All eclipses and transits from 1900 to 2199.

Upcoming Live Streams

Watch LIVE coverage of our solar and lunar eclipses.

Read more about eclipses

Astronomy Library

From Apogee to Zodiacal light, browse our astronomy articles.

Latest News

Keep up with events in the sky and space.

Cosmic Calendar

Notable dates for skywatchers and stargazers.

Equinoxes & Solstices

Astronomical Season Calculator

Spring Equinox

When does spring begin?

Summer Solstice

When does summer begin?

Fall Equinox

When does fall/autumn begin?

Winter Solstice

When does winter begin?

Read more about the seasons

Meteors, Comets & Asteroids

Meteor Showers

Calendars, animations, and tips for catching shooting stars.

Comets

What is a comet?

Asteroids

What 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 meteors

Night Sky & Planets

Night Sky Lookup

The Sky Tonight

Find and track the Sun, Moon, planets, and stars.

Planet Distance & Brightness

Which planet is closest to Earth right now?

Planet Sizes & Order

Which are the biggest and smallest planets?

Astronomical Glossary

Know your albedo from your antumbra.

Read more about the planets

Our Solar System

The Sun

Mercury

The Iron Planet

Venus

Our Twin Planet

Earth

Our Living Planet

The Moon

Mars

Jupiter

The Massive Planet

Saturn

The Ringed Planet

Uranus

The Sideways Planet

Neptune

The Blue Planet