SpazePeriodic comet
Wild 2
Stardust flew through its coma in 2004 and brought dust home, including glycine, a building block of proteins.
- Size
- 4 km
- Orbit
- 6.4 years
- Distance from Sun
- 1.6 to 5.3 AU
- Visited by
- Stardust, 2004
Can we live on Wild 2?
Air: only a faint trace of H₂O, glycine, far too thin to breathe. You’d live in sealed, pressurised habitats.
Ground: Ice, dust and organics.
Atmosphere
- H₂O
- glycine
Measured by Stardust sample