Question

What will be the greatest velocity (in c) attained by a human-made spacecraft before 2050?

20 comments20

Total Forecasters73

Community Prediction0.00235

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My Prediction

community

lower 25%

median

upper 75%

...

9.766×10⁻⁴

0.00235

0.01235

2.1%

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Jgalt

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Will the maximum speed of a human spacecraft reach at least 66,000 km/s (0.22 times the speed of light) by 2075?

10%

Conditional on civilization launching one or more von Neumann probes by 2200 that will reach another solar system within 100,000 years, what will be the average speed of the fastest one, in c?

0.0866

Conditional on civilization launching one or more von Neumann probes by 2200 that will reach another solar system within 100,000 years, what will be the average speed of the fastest one, in c (> 1)?

193

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