NASA astronaut Don Thomas talks about Tim Peake's space life
10 March 2016 Last updated at 07:42 GMT
NASA astronaut Don Thomas is no stranger to space.
A veteran of four space flights, he recorded over 1,040 hours in space and now works at the Kennedy Space Centre visitor complex in Florida, America.
Here he explains what Tim Peake space life is like and what he'll be doing to stay fit and healthy.