View a map of the Earth showing the day and night regions at this moment, or from the sun, the noon, the night side, and other points of view in this simulation. Illustrated.

Often when we see drawings of the Earth and the moon, they look really close together. Check out this cartoon series that helps illustrate the reality of this concept.

Prepared by NASA, this site provides a detailed look at the Earth's moon. The menu tabs are divided into overview, photo gallery, and facts and figures.

Provides a comprehensive look at the planet Earth including photos, how Earth got its name, and facts and figures about its size, seasons, moon, atmosphere, rotation, and lithosphere.

Students observe representational images and use as evidence to describe how the Moon is visible in the day and night sky. The digital slideshow is used to provide students with the opportunity to observe and describe how the Moon can be...

A collection of high-resolution images of space. Images "showcase the discoveries and excitement of planetary exploration, with a focus on the origin and evolution of the Solar System and the search for life".

Are you curious about what the earth looks like from the moon right now? This site provides various satellite images of the moon and earth. Zoom in on your favorite city or find out what part of the world is dark!

Dust, a common and usually minor problem on Earth, presented a major challenge for the Apollo astronauts on the Moon. Here's an interesting solution created by the Apollo 17 crew.

This site provides a moving diagram of a Lunar eclipse, showing Earth's umbra and penumbra and the appearance of the Moon as it passes through these shadow regions.

View these amazing high-quality images of our solar system from NASA with this lithograph set. Each lithograph contains images, facts, dates, and general information on a particular subject. Background information and teaching tips are...

Fascinating collection of images from NASA, chosen for their historical or aesthetic significance. Images are searchable by subject, by NASA center, and by keyword, and each is available in three sizes. With links to more information...

In this online textbook produced by the Smithsonian, students explore the phases of the moon, the moon's orbit, the origin of the moon, and the tides. Includes numerous inquiry-based activities.

This diagram shows selected moons of the Solar System and includes Earth for scale. Some of the moons shown include Phobos, Deimos, Io, Europa, Ganymede, Callisto, Titan, Hyperion, Ariel, Umbriel, Triton, Proteus and Charon. For more...

This site provides a moving diagram of a Lunar eclipse, showing Earth's umbra and penumbra and the appearance of the Moon as it passes through these shadow regions.

This site provides a moving diagram of a Lunar eclipse, showing Earth's umbra and penumbra and the appearance of the Moon as it passes through these shadow regions.

This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.

Basic diagram of a solar eclipse illustrates the relative positions of the sun, moon, and earth.

An image of "Hina te Fatou (The Moon and the Earth)", created by Paul Gauguin in 1893 (Oil on canvas, 112 x 61 cm).

Includes an interactive feature in which a visitor enters their weight on earth and has their weight on other planets computed and displayed.

This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the earth to the sun and moon. Also has his methods for determining the size of the moon and the sun.

This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the earth to the sun and moon. Also has his methods for determining the size of the moon and the sun.

Want to lose weight in a hurry? Just step on a scale on almost any other planet! This page allows you to enter your weight on Earth and it will calculate your weight on all of the other planets, some moons and even some stars. Requires a...

Want to lose weight in a hurry? Just step on a scale on almost any other planet! This page allows you to enter your weight on Earth and it will calculate your weight on all of the other planets, some moons and even some stars. Requires a...

Want to lose weight in a hurry? Just step on a scale on almost any other planet! This page allows you to enter your weight on Earth and it will calculate your weight on all of the other planets, some moons and even some stars. Requires a...