Epic Moons
Io is a moon of Jupiter. It is the innermost and third-largest of Jupiter's four Galilean moons. Io is also known as Jupiter I. 
- Size: Io is slightly larger than Earth's moon and about one-quarter the diameter of Earth.
- Age: Io is about 4.5 billion years old, which is about the same age as Jupiter.
- Orbit: Io orbits Jupiter at an average distance of 262,000 miles (422,000 km). It takes 1.77 Earth-
Enceladus is the sixth-largest moon of Saturn and the 19th-largest in the Solar System. It is about 500 kilometers (310 miles) in diameter. Enceladus is mostly covered by clean ice, making it one of the most reflective bodies in the Solar System. 
Enceladus is named after a giant in Greek mythology. It is the second nearest of Saturn's major regular moons and the brightest of all its moons.
Titan is Saturn's largest moon and the second-largest moon in the solar system
- Size: Titan is bigger than Earth's moon and the planet Mercury.
- Atmosphere: Titan is the only moon in the solar system with a dense atmosphere and clouds.
- Surface: Titan's surface is icy and covered by a golden haze.
- Temperature: Titan's surface temperature is about -290°F (-179°C).
- Titan receives 1% of the sunlight Ear
