Earth Observatory: The Blue Marble - Detailed true-color images of the entire planet.

Great Globe Gallery - Graphical collection of different views of our planet.

Info on The Planet Earth - Brief facts about the Earth.

Length of Day and Twilight - Describes how formulae for the calculation of the length of day can be derived for any given Northern latitude and any day of year. Also includes calculation of the twilight duration.

Night Earth - Uses Google Maps interface and NASA imagery to show how the Earth is seen at night from space.

The Nine Planets: Earth - General information, some statistical data and links.

NSSDC Photo Gallery: Earth - Selected images from the space, with captions.

Views of the Solar System: Earth - Views from the space, animations, general information and data.

Welcome to the Planets: Earth - Includes a planetary profile and some pictures.

Windows to the Universe: Earth - An overview of the planet and its moon including general information, data, pictures, news, historical and mythological background.