We haven't built a spacecraft that can reach nearby stars within a human lifetime.

open United States, North America WS00010

Even our fastest probes would take tens of thousands of years to reach the nearest star system. Without a breakthrough in propulsion, interstellar travel remains purely theoretical.

science-space north-america united-states reach haven built spacecraft nearby stars human lifetime even our global-unspecified whether philosophy-ethics mathematics-logic resolved

Category: Science Space

Added by: Administrator

Created at: 2026-07-18T18:29:29Z

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WS00010 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=10

We haven't built a spacecraft that can reach nearby stars within a human lifetime.

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