How long does it take for light to reach Earth from a star 8 light years away
2 answers:
<u>ANSWER:</u>
The "light from a star" that is "8 light years" takes 8 Earth years to reach "Earth".
<u>EXPLANATION:</u>
- Light travels at an "incredible speed" of "300,000 kilometers per second".
- The distance between any two objects that are far spread in the universe is measured in either speed of light or astronomical unit (AU).
- If the distance of the star is "8 light years" away from our "planet", and divide it with the value of speed of light you get 8 earth years.
D. 16 earth years is the answer
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