Astronomers used a telescope to look into the heart of our galaxy, the Milky Way, in great detail and found a surprising bit of history.
원문출처 : https://www.cnn.com/2019/12/16/world/milky-way-image-ancient-stars-scn/index.html
원문출처 : https://www.cnn.com/2019/12/16/world/milky-way-image-ancient-stars-scn/index.html