Answers to Readers' Questions on Astronomical Distances - Astronomy. Also refer to Physical Science, kilometers, miles, astronomical unit, AU, light year, parsec, parallax, acrsecond, physics,, Ron Kurtus, School for Champions. Copyright © Restrictions
Answers to Readers' Questions on Astronomical Distances
The following 1 questions have been answered. They are listed according to date.
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How long for a space ship to travel one light year?
Question
April 17, 2009
How long does it take a man made object to travel one light year?
Thanks,
Hugh - USA
17622
Answer
Although we've accelerated atomic particles to close to the speed of light, man-made objects have been only able to reach a small fraction of that speed.
Some space probes have reached the speed of 150,000 mph or 250,000 km/hr. That is about 1/4000 of the speed of light. Thus, such a space probe would take 4000 years to travel one light year.
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Answers to Readers' Questions on Astronomical Distances