This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/science-environment-23349496

The article has changed 5 times. There is an RSS feed of changes available.

Version 2 Version 3
How to put a human on Mars How to put a human on Mars
(7 days later)
Find out more: UK team designs human mission to Mars.Find out more: UK team designs human mission to Mars.
Physicist Martin Archer answered your Mars questions in a live Twitter Q&A.
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
Physicist Martin Archer answered your Mars questions in a live Twitter Q&A.
Mars surface image courtesy of NASA Planetary Data System.Mars surface image courtesy of NASA Planetary Data System.
Music by SpiroMusic by Spiro