A Trinity College academic has been shortlisted to become one of the first humans to travel to Mars.
Doctor Joseph Roche who works at the Science Gallery is down to the last 100 for the Mars One Project.
The Irish astrophysicist is still in the running after a screening, medical and interview process.
Over 200 thousand people applied for the one-way programme.
The idea is to create a human settlement on the red planet which will be crowd-funded and filmed for a reality series.
Crews of four would depart every two years beginning in just under ten years.