Distance in space is measured in light-years, which is the distance light travels in one year. Light travels at a rate of 186,000 miles a second (about 7.5 times around the Earth).
Time to finish!
Visit your local library to return your Summer Reading Passport! You took the pledge, you kept track of your reading and activities, now it's time to reward yourself. Claim your prize and be entered into a drawing for some out of this world prizes.