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Cosmic Rays

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!

Cartoon aircraft in flight

Cosmic Radiation and Aviation

Learn how people came to understand the source of cosmic radiation, as well as how this radiation impacts those who work in and travel on airplanes.

Eruption on the surface of the Sun

What are Cosmic Rays?

This backgrounder has information about both cosmic & neutron radiation.