For those of us who grew up watching Star Trek, exploring space has been about discovering strange new worlds. And there are plenty of worlds to explore, in time, but we still need major technological advancements to reach planets that are light-years away.
원문출처 : https://www.cnn.com/2019/07/22/perspectives/space-low-earth-orbit-satellites/index.html
원문출처 : https://www.cnn.com/2019/07/22/perspectives/space-low-earth-orbit-satellites/index.html