Getting humans to Mars is becoming one of the great challenges of our time. From the spaceships to be used for the 8-month journey to
Day: 21 October 2019
Pinned a thing to the Grow Your Own board: See the pin or the board
Finally! pic.twitter.com/havzZIww2H — Mashable (@mashable) October 21, 2019 View on Twitter posted by _JustinPinner