Aerospace · Projected milestone
Laser-sail interstellar probe
Estimated year~2095
6% by 2100 · including earlier years
The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.
Gram-scale probes pushed by ground lasers head for Alpha Centauri at a fraction of light speed.
Explore this milestone on the interactive mapWhat the forecast means
Milestone stage: milestone (legacy definition)
Completion criteria: Legacy milestone: refine the observable threshold before resolving.
This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.
Built on
Led to
- Archives sent toward nearby starsForecast · ~2096enables
- Interstellar flyby fleetForecast · ~2096enables
- Interstellar probe linkForecast · ~2096enables
- Navigation for interstellar probesForecast · ~2096enables
- Pen pals with another starForecast · ~2097enables
- Art sent to the starsForecast · ~2098enables
- Broadcasts from another starForecast · ~2098enables
- AI interstellar surveyForecast · ~2099enables
- First data from Alpha CentauriForecast · ~2099enables
Sources & evidence
No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.