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1
comment
25
forecasters
What propulsion mechanism will launch a payload into space at a cost of < $100/kg first?
Conventional
90.2%
Air-breathing
2.1%
Thermal rockets
1.2%
6 others
6%
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
8
8
comments
Sagan Space Commenting Prize Winners
7
5
5
comments
🛰 The Sagan Space Tournament 🛰
Orbital Allies: How Space Technology Fuels Sustainable Development and Climate Action
9
1
1
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 States
51%
China
35%
Israel
10%
6 others
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 🛰
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