How Long Would It Take To Travel 40 Light Years
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As we established above light travels 9 460 528 000 000 km in a year.
How long would it take to travel 40 light years. The rocky planet named lhs 1140b orbits a red dwarf star 40 light years away. 3 months is 1 4 year. How long would it take to get there. Traveling at the speed of light it would take approximately 40 years to reach trappist 1 not taking relativity into account for simplicity.
The fastest spacecraft in our history is the voyager 1 spacecraft travelling at 62 140 km h 38 000mph. If the observer is traveling at the speed of light then by definition it takes one year. As an example it takes 1 3 seconds for light to travel from the earth to the moon and eight hours for a space shuttle to make the same trip. And you will feel that within 20 years you will be reached there instead of 40.
If you travelled at the speed of light in an spacecraft it will take the 40 years for you to reach there practically. Light travels at approximately 186 000 miles per second. The other part is how quickly a spacecraft can travel. For those who use miles that s 235 139 982 502 190 miles.
In one year 365 25 days that is equivalent to 5 869 713 600 000 miles. While this is close in astronomical terms what makes it so special is we do not need to go there to look for life. The star proximasad centauri is 4 23 light years away from the earth s solar system. So we multiply that figure by 40 to give a total of 378 421 120 000 000 km.
This distance is measured by how far light can travel in a year.
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