SpazeInterstellar comet, 2025
3I/ATLAS
The third interstellar visitor, found in July 2025 and possibly older than the Sun. It is leaving on a fast hyperbolic path.
- Size
- 1 km
- Path
- Hyperbolic: passing through once
- Closest to Sun
- 1.4 AU
Can we live on 3I/ATLAS?
Air: only a faint trace of CO₂, H₂O, CO, Ni, CN, far too thin to breathe. You’d live in sealed, pressurised habitats.
Ground: Ice very rich in carbon dioxide.
Atmosphere
- CO₂
- H₂O
- CO
- Ni
- CN
Measured by JWST, VLT