Question

What propulsion mechanism will launch a payload into space at a cost of < $100/kg first?

10
1
25 forecasters

Forecast Timeline

Total Forecasters 24

Make a Prediction

Propulsion SystemMe
Conventional
90.2%
Air-breathing
2.1%
Thermal rockets
1.2%
Nuclear propulsion
1.1%
Beamed energy
1.1%
Electromagnetic
1.2%
Non-electromagnetic projectile
1.1%
Space elevator
1.1%
Other
1.1%
Total: ?
(? remaining)
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Authors:
Opened:Dec 19, 2023
Closes:Dec 31, 2065
Scheduled resolution:Jan 1, 2066
Spot Scoring Time:Dec 19, 2023