A light year is defined as the distance that light travels in one Earth year. Light moves extremely fast: 300,000 km/s or 180,000 miles/second. In one second light can travel around Earth almost four times. Nothing travels faster, establishing light as the ultimate speed limit. In 31,536,000 seconds—one year—light will travel a distance of 9.46 trillion kilometers or 5.86 trillion miles, which is 240 million times around Earth. This distance equals one light year!
Daily Archives: January 26, 2012
Question Of The Day!
What’s your favorite Planet? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, or Neptune?
Leave your interesting comments down in comment section below!
Video Of The Week!
This is the biggest flash mob ever in NYC! <—(New York City)