NASA's on target to send humans to Mars within the next 2 decades — but here's why the moon should come first
NASA's on target to send humans to Mars within the next 2 decades — but here's why the moon should come first
Sep 30, 2018, 1:17pm UTC
https://www.cnbc.com/2018/09/30/nasa-to-send-humans-to-mars-but-heres-why-the-moon-should-come-first.html