If you are asking how long it would take to travel the distance of 123.23 light years, then that would depend on how fast you are traveling. Because a light year is a measure of distance not time.
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The light from a star eight light years away will take eight years to reach Earth.
10,700 million light-years.
The light takes about 640 years to reach Earth, as Betelgeuse (a red supergiant star) is about 640 light years from Earth.
Light years are a measure of distance, earth years are a measure of time. The two can't be compared like this.
It's 1,239 lights years
2213 x 12323 = 27270799
The polaris is 430 light years from Earth.
49,666,845 light years away from earth
Estimates range from 78 light-years to 83 light-years from Earth.
The answer to how many light years is M99 away from earth it is 25100 light years away!
The Earth is 8.3 light-MINUTES(0.0000152207001522070015220700152207 light years) from the Sun.
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How many light years away is Jupiter from Earth when there closest?
The light from a star eight light years away will take eight years to reach Earth.
10,700 million light-years.
~1170 light years.
Approximately 65 light-years.