What matters to you.
0:00
0:00
NEXT UP:

Why Going to Mars Would Totally Suck

Season 4 Episode 22

About the Episode

Can't wait to get into outer space? Well there's a bit you need to know first... Spending time in zero gravity can have some pretty extreme effects on the human body. Still scientists are already making plans for long trips to other planets, but first we have to start with a few experiments here on Earth — and it all starts with astronaut Scott Kelly spending one full year in orbit.

Aired: 02/28/16 | Expires: | Runtime: 8m 26s
Support for GBH is provided by: