Solar Radiation

Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective

Let's Talk Mars Resources

Discover a set of resources to get you up to speed on the discussion surrounding Mars

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!

Hands holding a hot mug

Introduction to Heat Transfer

Learn about the different ways that heat is transferred.

Solar power illustration

Generating Electricity: Solar Cells

Learn how energy from the Sun can be used to generate electricity.

Student working with electrical circuit

Physics Videos

A melting world-shaped glacier

What is Ocean Warming and Why Does It Matter?

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

International Space Station in the rays of the Sun

Temperature on Earth and on the ISS

Temperature is an important part of life on Earth and life in space. This backgrounder explains what temperature is, how it affects people and how it is controlled on the International Space Station.

Radiation shielding garment on the International Space Station

Radiation and Human Space Exploration

One of the greatest hazards that humans in space face is cosmic radiation. Learn what cosmic radiation is, why it's dangerous, and ways that we are looking at protecting humans in deep space.

Screen capture from the video “Dealing With Asteroids and Other Space Hazards”

Dealing with Asteroids and Other Space Hazards

Find out how asteroids, space debris, and cosmic radiation can be dangerous, and how to monitor them and protect ourselves from these space hazards.

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.