Hey there,
Your question states: <span>How long does it take for light from a star that is 8 light-years away to reach earth?
It take just about
(</span>
8 earth years) <span> for light from a star that is 8 light-years away to reach earth. That is how </span>

it would take.
Hope this helps.
~Jurgen
Every outlet, receptacle, lamp, appliance, and other directly wired device in the house must all be connected in parallel.
-- This ensures that each receptacle and light socket is supplied the same voltage.
-- It also ensures that turning off or unplugging one device won't cut off the power to a bunch of others in the house.
You press the button near their answer
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.
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