imagine if you could channel that much kinetic energy into a propulsion system f... | Hacker News

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		vivzkestrel on Jan 30, 2025 \| parent \| context \| favorite \| on: Asteroid Impact on Earth 2032 with Probability 1% ... imagine if you could channel that much kinetic energy into a propulsion system for interstellar travel

jjk166 on Jan 30, 2025 [–]

If you had a 100 ton spacecraft and you pumped all that kinetic energy into it with perfect efficiency, it would get up to 0.2% of light speed, fast enough to reach the nearest star in about 2000 years.

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