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Earth's Moon

[Image of the Moon]

Radius:
1737.4 km

Mass:
7.18x1022 kg

Orbital Period:
27.32 Earth days

Rotation Period:
27.32 Earth days

Orbit:
384,400 km from Earth

The Moon is the satellite of the Earth.

Web Pages with Information about the Moon

Astrogeology Research Program

General Information
Browse the Solar System: Interactive version of our popular poster Mapping the Solar System
Browse the Geologic Solar System: Interactive version of our popular poster Geology of the Solar System

Images
Historical Lunar Data Archive: Download images and data from this collection consisting of products derived from Apollo, Lunar Orbiter, Galileo, Zond 8, and Earth-based observations.
Clementine Near-Infrared Global Lunar Mosaic: View and download the near-infrared global mosaic of the Moon from the Clementine mission data
Map-a-Planet: Interactive global image map browser
Clementine Lunar Images: Images and mosaics of the Moon and information about the Clementine mission
Reviving Lunar Orbiter Photographs: Download recently completed imagery, see the project status, and learn more about the history of this project to scan, enhance, and mosaic Lunar Orbiter photographic film.
NASA Planetary Photojournal: Images from various Solar System exploration programs

Maps
Planetary Maps: Searchable comprehensive listing of published planetary maps, with links to digital versions when available.
Maps and Globes Gallery: View and download digital maps and globes of Venus, the Moon, Mars, and Jovian satellites
Planetary Maps: Download our planetary maps and other publications from USGS Geopubs - The Earth & Moon
Geologic Mapping: Download digital geologic maps, learn about our geologic mapping efforts, and access geologic mapping resources from the Planetary Geologic Mapping Program
Geographic Information Systems (GIS) - GIS data, maps, tools, and discussion board on the PIGWAD Planetary Geographic Information Systems web site
Geomatics: Maps, topography, nomenclature, geodesy, photogrammetry, photoclinometry, and GIS
Regional Planetary Image Facility (RPIF): Information about the resources in our Regional Planetary Image Facility

Other Data
Gazetteer of Planetary Nomenclature: Information about and access to the official International Astromical Union approved names for planetary features
Cartographic Coordinates and Rotational Elements of the Planets and Satellites - IAU Working Group: IAU CCRE Working Group, information, publications, and references, including tables of the accepted values for the size, shape, and rotations of the planets and satellites

General Information
Browse the Solar System: Interactive version of our popular poster Mapping the Solar System
Browse the Geologic Solar System: Interactive version of our popular poster Geology of the Solar System

Research
Lunar Pyroclastic Volcanism Project: Study to learn more about pyroclastic volcanism on the Moon
Robotic Lunar Observatory (ROLO): Establishing the Moon as a radiance calibration source for Earth-orbiting remote sensing spacecraft

Historic
The View from an Astronaut's Eyes: Apollo Mission Lunar Exploration Media Gallery
Historical Lunar Data Archive: Download images and data from this collection consisting of products derived from Apollo, Lunar Orbiter, Galileo, Zond 8, and Earth-based observations.

Books & Other Resources
NASA SP-242 - Guide to Lunar Orbiter Photographs (PDF, 99MB): Download a digital version of the 1970 NASA publication, Guide to Lunar Orbiter Photographs (NASA SP-242). This document can be viewed with the free Adobe Acrobat Reader.

Related: Missions

Other Web Sites