ScienceCasts: A Telescope Bigger than a Galaxy

From the creator

Visit http://science.nasa.gov/science-news/science-at-nasa/2014/07mar_frontierfields/?utm_source=science&utm_medium=youtube&utm_campaign=2026 for more. Astronomers have figured out how to use the gravity of distant galaxies to bend light and magnify images, allowing them to see deeper into the cosmos than ever before.

Published 2014-03-06 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.