Mapa mental
Moons
Contenido del mapa
Moons
Earth's Moon
- Diameter is 3,474 km
- Atmosphere is one-sixth of Earth's.
- Rotation takes equal time as orbit
- Therefore, during it's orbit the same side always faces the Earth
- Earth's Moon has no moons or rings
- It is moving away from the Earth 1 inch per year
- Is covered in dust and rocks called lunar regolith.
Europa
- Orbits Jupiter every 3.5 Earth days.
- Has surface of cracked water ice.
- 40-90 million years old.
- Discovered by Galileo Galilei.
- On January 8, 1610.
- Disrupts Jupiter's magnetic field
- Diameter is 3,100 km.
Enceladus
- Spews water vapor and ice particles.
- Saturn's 6th largest moon
- Diameter is 504 km
- Reflects almost 100% of light that hits it.
- At least 5 different types of terrain
- Discovered by William Herschel.
- On August 28 1789.
Titan
- Diameter is 5,152 km
- Is the only moon in our solar system with a thick atmosphere.
- Mostly nitrogen, some methane.
- Is larger than Mercury
- Discovered by Christiaan Huigens.
- On March 25 1655
- Has liquid ethane and methane flowing cross it's surface.
- Has different regions.
