Curated OER
Eyes on the Sky, Feet on the Ground: The Earth's Moon
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.
Curated OER
1993 Total Lunar Eclipse
What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.
Curated OER
Phases of the Moon
What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.
Curated OER
2000 Total Lunar Eclipse
What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.
Curated OER
2000 Total Lunar Eclipse
What is a lunar eclipse? What causes eclipses? How often do eclipses happen and when is the next lunar eclipse? You'll find the answers to these questions and more on this site on lunar eclipses.
Curated OER
Nasa: Space Place: Solar System Comparative Sizes
This picture compares the sizes of the moons of the different planets in the solar system.