Cosmos Banter

Discover a New Universe at Your Fingertips

A small solar system in a vast galaxy. Discover the story of our universe that begins within it.

Explore space

Explore space in 3D
Select and compare only the celestial objects that interest you
Easy and fun learning
Share space stories together
Observe constellations from your rooftop

WAYS TO EXPERIENCE SPACE

Explorations and stories we share

Observe the 3D universe and explore celestial objects! Follow in the footsteps of other travelers and discover the unknown universe together.

Explore outer space

Observe and explore celestial objects in 3D. Your journey through space begins at your fingertips.

Open the Solar System

Compare celestial objects that interest you

Compare differences among the celestial objects that interest you, such as Earth and Mars.

Compare Earth and Mars

Learn with Cosmos Banter

We’ve prepared information you can trust. Learn about space in a fun and approachable way with short lessons and quizzes.

Coming soon

Satisfy your curiosity

Ask questions about space, share discoveries and stories, and look for answers together.

Coming soon

YOUR FIRST DESTINATION

Shall we take a closer look at the Earth we call home?

How big is Earth, and how can we live on it? Let’s learn about Earth—even what is inside it—in a fun and easy way!

Learn about Earth

RECOMMENDED EXPLORATION

Start with Earth, then journey to Mars and Saturn

Meet Earth's fellow travelers around the Sun. From red Mars to ringed Saturn, discover what makes each planet special.

Reference for comparison

Earth

A rocky planet with oceans and an atmosphere. Use its familiar environment as a reference for understanding how other celestial objects differ.

See the blue oceans

A record preserved on the surface

Mars

Its cold, dry surface preserves traces of ancient flowing water. Explore how Mars has changed over time.

Explore Mars’s Surface

A giant planet lighter than water

Saturn

Saturn is easy to recognize from afar thanks to its enormous rings. They may look like a single band, but a closer look reveals countless particles of ice and rock.

Explore Saturn’s Rings

Understanding the Universe, the Fun Way (Coming Soon)

Follow Your Curiosity and Explore the Universe

Look, compare, and use quizzes to make the new space stories you discover your own.

Observe the Scene
Explore celestial objects and their relationships through an interactive 3D scene with guided text.
Understand How Celestial Bodies Differ
Compare size, composition, rotation, and orbit to explore what makes each celestial body distinct.
Take Another Look
Use a quiz to lightly check the celestial features you explored earlier.

Story (Coming Soon)

Explore your questions about space together.

Start with a single question and discover a wider universe of stories.

How about topics like these?

Question

Why do Saturn's rings look like a single ring?

Discovery

Does the Sun set on Mars as it does on Earth? If so, what color might Mars's sunset be?

Poll

If you could travel to just one place in space, where would you want to go?

QuestionDiscussionDiscoveryHumorPoll