Fifty years ago, when the Apollo 11 astronauts became the first human beings to land on the moon, the Chinese space program had yet to launch a single satellite.
원문출처 : https://www.cnn.com/2019/07/19/asia/china-apollo-us-space-race-intl-hnk/index.html
원문출처 : https://www.cnn.com/2019/07/19/asia/china-apollo-us-space-race-intl-hnk/index.html