An alive human has been on mars soil and returned to earth safely before year 2100.

Created by nshepperd on 2014-09-08; known on 2100-01-01

• nshepperd estimated 30% on 2014-09-08
• nshepperd changed the deadline from “on 2100-01-01” and changed their prediction from “An alive human has been on mars soil and returned to earth before year 2100.” on 2014-09-08
• JoshuaZ estimated 55% on 2014-09-08
• nshepperd estimated 45% on 2014-09-08
• nshepperd said “Example from kuudes on irc.” on 2014-09-08
• Jayson Virissimo said “Returning is the real sticking point, methinks.” on 2014-09-08
• Ham Nox estimated 45% on 2014-09-12
• ChristianKl estimated 50% and said “And his nationality is most likely Chinese.” on 2014-09-12
• CrystalBall estimated 90% on 2014-09-13
• Ben Doherty estimated 45% on 2014-09-13
• rationalnoodles estimated 80% on 2014-09-14
• Mike estimated 85% and said “Before Elon Musk, my prediction would be have been zero.” on 2014-09-15
• Serge estimated 60% on 2014-09-15
• asd estimated 80% and said “You really think PredictionBook is around then?” on 2014-09-18
• RobertLumley estimated 60% on 2014-10-08
• mad estimated 75% on 2014-10-11
• PseudonymousUser estimated 40% on 2015-06-15
• JoshuaZ estimated 65% and said “See closely related prediction http://predictionbook.com/predictions/51719 which predicts no humans on Mars by that time. ” on 2015-08-06
• Chri estimated 15% on 2015-08-07
• pranomostro estimated 60% on 2018-09-25
• Baeboo estimated 60% on 2018-12-12