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Orbital Mechanics

Satellites orbiting Earth

Introduction to Satellites

Learn about the history, functions, and types of satellites.

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.

What would happen if a meteor hit Earth?

What would happen if a meteor hit Earth?

Explore the effects of asteroid impacts in this hands on activity.

Space junk

Space Junk

Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!

Planet and asteroid orbits around the Sun

Orbital Mechanics

This backgrounder helps explain the laws of Orbital Mechanics, including Newton’s Laws.