Tomorrow’s Tech Treepowered by Astra

Lighting · Projected milestone

Artificial sun for Mars domes

Estimated year~2085

6% by 2090 · 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.

Domed Mars towns run giant sun-like lamps on fusion and solar power, giving Earth-strength daylight to people, parks and crops.

Explore this milestone on the interactive map

What 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

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.