TED Talks
Ted: Ted Ed: Light Seconds, Light Years, Light Centuries: Measure Extreme Dist
Yuan-Sen Ting shows us how trigonometric parallaxes, standard candles and more help us determine the distance of objects several billion light years away from Earth. [5:29]
TED Talks
Ted: Ted Ed: A Trip Through Space to Calculate Distance
Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT- or the equation Distance = Rate x Time- we can calculate their rates, using the distance they traveled and the time they took....
CK-12 Foundation
Ck 12: Earth Science: Distance Between Stars Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the distance between stars. Review questions are included at the bottom of the study guide.