FIELD GUIDE
Earth
Our pale blue dot
The only known planet to harbor life. Earth's liquid water, protective magnetosphere, and nitrogen-oxygen atmosphere create the perfect conditions for the incredible diversity of life we see today.
Explore in the Voyage →Stats
- DIAMETER
- 12,756 km
- DISTANCE FROM SUN
- 149.6 million km
- DAY LENGTH
- 24 hours
- TEMPERATURE
- -89°C to 57°C
Facts
Earth is the densest planet in the solar system
Source: Apollo 17 · Hasselblad 500EL (70mm) · 1972 — View source ↗
70% of the surface is covered in water
Source: Voyager 1 · Imaging Science Subsystem (narrow-angle camera) · 1990 — View source ↗
Earth's magnetic field protects us from solar radiation
Source: DSCOVR · Earth Polychromatic Imaging Camera (EPIC) · 2015 — View source ↗
The planet is approximately 4.54 billion years old
Moons
- The Moon — Its gravity drives Earth's ocean tides and is slowly lengthening our day.
Mission — Pale Blue Dot
Watch a world of oceans, weather, and city lights shrink to a single point of light in the dark.
IN THIS MISSION:
- Lights in the Dark
- The Thin Blue Line
- The Blue Marble
- Pale Blue Dot