10/03/2017 12:33 GMT | Updated 11/03/2018 05:12 GMT

Life In Space Is A Lot Like Life On Earth... With Just A Few Differences

Brian Duffy is former NASA astronaut, now an ambassador for the Kennedy Space Center Visitor Complex at Cape Canaveral, Florida.

Here he vlogs for The Huffington Post UK on the differences between life on earth and life in space, what work gets done on the International Space Station, and the race to take a human to Mars.