8 comments
76 forecasters
When will the longest spaceflight of any one person reach 5 years?
Current estimate
>Dec 2040
No key factors yetAdd some that might influence this forecast.
Authors:
Opened:Sep 17, 2018
Closes:Dec 30, 2025
Scheduled resolution:Dec 30, 2040
Spot Scoring Time:Sep 18, 2018