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How to put a human on Mars How to put a human on Mars
(about 3 hours later)
Find out more: UK team designs human mission to Mars.
Join physicist Martin Archer for a LIVE Twitter Q&A at 14:30 BST (13:30 GMT) on Wednesday. Send your questions to @BBCStargazing with the hashtag #BBCMars.
Produced by: Steven Atherton, Neil Bowdler, Christine Jeavans, Salim Qurashi, George Spencer, Tian YuanProduced by: Steven Atherton, Neil Bowdler, Christine Jeavans, Salim Qurashi, George Spencer, Tian Yuan
Mars surface image courtesy of NASA Planetary Data System.Mars surface image courtesy of NASA Planetary Data System.
Music by SpiroMusic by Spiro