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.
1 In one of the NASA Space Shuttles, about 76,526 earth years (38,263 earth years one way). 2  1 light-year is 5.8 trillion miles and the maximum speed of a NASA Space Shuttle is 17,500 miles per hour. 3  The fastest unmanned space craft traveled 157,000 mph.
Best Answer: A light year is the distance light can cover in a vacuum in one year. A light year is equivalent to 5,878,625,373,183.61 miles. A lot, huh? Light years are used to measure distances in space because it makes it easier to describe distances, since one would be using smaller numbers. For example, rather than saying a star is 23,514,501,492,734.44 (23 trillion) miles away from the Sun, you could just say the star is 4 light years away. Source(s):