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Metaculus is an online forecasting platform focusing on topics of global importance.

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

>Dec 2034 (Dec 2033 - >Dec 2034)

2
66 comments
8
8 forecasters
>Dec 2034
(Dec 2033 - >Dec 2034)

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

10
11 comment
26
26 forecasters

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

40% chance

85
8484 comments
646
646 forecasters
40%chance

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

16
4343 comments
69
69 forecasters

To the stars! #2: Mountaintop lasers, rockets, optics and wafers? Or something else?

result: no

27
1414 comments
132
132 forecasters
ResolvedNo

Wanted: developer

5
0 comments

Tech Futures - 52 Conversation Starters

2
33 comments

When Will We See Real Nanotechnology?

20
11 comment

Space Sector โ€˜Greenificationโ€™

10
11 comment

The สปOumuamua Paradox and the Nature of Interstellar Objects

12
22 comments

A brief but hopeful vignette

4
11 comment

Action Ontologies, Computer Ontologies

19
11 comment

Spacecraft Launchers and the Launcher Market

12
0 comments

Space Debris and the Kessler Syndrome

8
11 comment

The Future of Human Spaceflight

10
0 comments

Announcing the Sagan Space Tournament

19
1313 comments

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

11
0 comments

The Global Push to Return to the Moon: Predicting the Lunar Landings and Trends of the 2020s

10
0 comments

Private Citizen Space Travel: Participation, Place, and Price

8
0 comments

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

9
11 comment

Sagan Space Commenting Prize Winners

7
55 comments

Site updates: News, Tachyons, Tutorials, and more

0 comments

Take the Research Impact Challenge

0 comments

Experimenting With Metaculus Communities โ€”ย Collaborate With Us

7
88 comments