Exoplanets have been making waves over the last 20 years, and now as technology advances, we may be about to meet some strange new worlds beyond our solar system.
원문출처 : https://www.cnn.com/videos/world/2017/02/21/what-is-an-exoplanet-explainer-orig-aa.cnn
원문출처 : https://www.cnn.com/videos/world/2017/02/21/what-is-an-exoplanet-explainer-orig-aa.cnn