article_snippet: Nasa’s proposal is to send a mission there and back, but Dr Bertolami said more infrastructure was needed to make a potential manned mission possible.
article_snippet: Dr Bertolami, who was also part of a  science committee for Esa's satellite navigation programme Galileo, instead suggests that we should consider returning to the lunar surface and improving we technologies, before attempting a mission to the red planet.
article_snippet: From my point of view we should get back to moon, and I think it would be extremely useful to start with habitats at moon,’ he said.
article_snippet: Once you can reach moon on a regular basis, we will have learned a lot of things to achieve that.