Nearly three years after NASA's New Horizons spacecraft flew past Pluto, we're still learning about the dwarf planet.
원문출처 : https://www.cnn.com/2018/05/31/world/pluto-dunes-new-horizons/index.html
원문출처 : https://www.cnn.com/2018/05/31/world/pluto-dunes-new-horizons/index.html