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Earth & Moon

Lunar eclipse

The Earth Moon System

Answers to some common questions about Earth’s Moon.

Lunar lander floating above the moon, with the Earth in the background

Let's Talk Space Exploration Resources

Discover a set of resources to develop background knowledge on the topic of space exploration.

Astronauts from the Apollo Mission landing on the moon.

Let's Talk Lunar Resources

Discover some background information on how we'll learn to live and work on the Moon - and beyond!

ChaoticMind75 - iStock

Why is it colder in the winter even though the Earth is closer to the Sun?

Learn why we have seasons in this hands on activity.

The planet Mars

What is your weight on another planet?

Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.

Full moon

Moon: Phases

8 images of different lunar phases showing the portion of the Moon lit by the Sun as the Moon orbits the Earth and as seen by us on Earth