Buzz Aldrin turns to VR to explain how we can get to Mars
 

Buzz Aldrin, Apollo 11 astronaut and the second person to set foot on the moon, may be 87, but he's keeping his mind focused on the next space frontier. For decades now, he's thought about how to get astronauts to Mars, becoming more vocal about his...

https://www.engadget.com/2017/03/16/...n-get-to-mars/