Roche, an astrophysicist at Trinity College Dublin who was announced in February as among the 100 people in line for the mission, has written for the Guardian expressing his grave doubts about the viability of Mars One.

Roche, an astrophysicist at Trinity College Dublin who was announced in February as one of the 100 people shortlisted for the mission, has written for the Guardian expressing his doubts about the viability of Mars One.
