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1 comment
25 forecasters

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

Conventional90.2%
Air-breathing2.1%
Thermal rockets1.2%
6 comments
8 forecasters

When will an Adaptive Cycle Jet Engine be successfully used in the launch of a rocket to an altitude of at least 160 kilometers?

Current estimate
Jul 2034
80 comments
621 forecasters

Will humans have a sustainable off-world presence by 2100?

40%chance

Experimenting With Metaculus Communities — Collaborate With Us

7
88 comments

Sagan Space Commenting Prize Winners

7
55 comments
🛰 The Sagan Space Tournament 🛰

Orbital Allies: How Space Technology Fuels Sustainable Development and Climate Action

9
11 comment
Space Technology & Climate

Private Citizen Space Travel: Participation, Place, and Price

8
0 comments
🛰 The Sagan Space Tournament 🛰
43 comments
65 forecasters

Which country will be the first to administer more territory off Earth than on it?

United States51%
China35%
Israel10%

Wanted: developer

5
0 comments
Metaculus Meta

Our Life Underneath a Chaotic Orbital Environment: The Relationship Between Space Debris and Space Utilization

11
0 comments
🛰 The Sagan Space Tournament 🛰