1 Massage the twitch muscle with your finger for 15 seconds. 2  Usually there are other muscles that twitch like leg cramps, so take 500mg of magnesium citrate capsule daily. 3  If you have headaches, massage the knot at the back of your neck for release.
Â­So to measure really long distances, people use a unit called a light year. Light travels at 186,000 miles per second (300,000 kilometers per second). Therefore, a light second is 186,000 miles (300,000 kilometers).
Light travels at 186,000 Miles per second. for the Sun's light to reach Earth. It takes about 8 minutes for the suns light to reach the earth. The distance between the earth and the sun is really, really huge. And since light travels at 300000000 m/s, it takes it 8 minutes toreach the earth's surface. Approximately 9 minutes for light to reach Earth from the sun.