Elon Musk has spent nearly two decades rallying SpaceX fans around his goal of colonizing Mars, something world governments aren't currently attempting — in part because of the unfathomable price tag such a mission will entail.
원문출처 : https://www.cnn.com/2020/09/08/tech/spacex-mars-profit-scn/index.html
원문출처 : https://www.cnn.com/2020/09/08/tech/spacex-mars-profit-scn/index.html