Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting
3,459,416 Views
5,017 Questions Answered
Let’s Begin…
When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? 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.
About TED-Ed Animations
TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »
Meet The Creators
- Director Jeremiah Dickey
- Educator Yuan-Sen Ting, Gautham Narayan, Amali Vaz
- Narrator Addison Anderson