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Planets

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

The face of the planet Mars (NASA)

Destination Mars

Discover how space agencies have explored the Red Planet in the past and present and learn about the future of human spaceflight to the red planet.

Red soil on the surface of Mars

Soil on Mars

Learn how soil is different on Mars than on Earth, and what that means for growing plants on the red planet.

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!

Astronaut standing on Mars with Earth in the background

Earth vs. Mars

Learn about the characteristics of the Earth and Mars, two planets in our Solar System.

Mars Perseverance rover

Exploration of the Planets in the Solar System

Learn about how spacecraft have helped us learn about our Solar System.

Pluto lit by a distant Sun

Meet Our Dwarf Planets

Learn about the dwarf planets in our Solar System.

Jupiter’s atmosphere taken from NASA's Juno spacecraft

The Outer Solar System

Learn about the amazing planets and moons of the outer Solar System.

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.

The rocky planets

The Inner Solar System

Earth is covered in rocks. So are Mercury, Venus, Mars and the Moon. Does that mean the rocky planets are all the same?