Explore outer space
Observe and explore celestial objects in 3D. Your journey through space begins at your fingertips.
Open the Solar SystemCosmos 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.
Cosmos Banter features
- Explore space in 3D
- Select and compare only the celestial objects that interest you
- 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.
Compare celestial objects that interest you
Compare differences among the celestial objects that interest you, such as Earth and Mars.
Compare Earth and MarsYOUR 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!
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