"We are actually far better prepared for Mars now than NASA was in 1961 as it looked to getting a man on the Moon before the end of the decade and returning him safely to the Earth again," Dr Clarke says.
"If we put our mind to it we could be on Mars in 10 years."
NASA's timeframe is a little longer. The first step is to land astronauts on an asteroid around 2024, then it hopes to land astronauts on the Red Planet in the 2030s.
In the meantime it is testing out a range of technologies on the International Space Station, exploring the surface of Mars with robot landers, and developing space suits, exploration vehicles and deep space habitats to help astronauts live and work on Mars.
According to Dr Clarke, there are five key issues we need to look at in preparation for sending people to Mars.
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Last edited by mmmintu (2017-03-17 22:08:10)