Even if we boarded the space shuttle Discovery, which can travel 5 miles per second, it would take us about 37 or 200 years to travel a light year. One of the most distant exoplanets we know of in the Milky Way is Kepler-443b. Traveling at the speed of light, it would take 3000 years to get there. Or 28 billion years, going at 60 miles per hour.
How long would it take humans to travel one lightyear?
Even if we boarded the space shuttle Discovery, which can travel 5 miles per second, it would take us about 37 or 200 years to travel a light year. One of the most distant exoplanets we know of in the Milky Way is Kepler-443b.
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