03 Feb 2004 15:50 Europe joins the race to put a man on Mars By Jeremy Lovell LONDON (Reuters) - A European could step out onto the surface of Mars within three decades, under European Space Agency (ESA) plans spelled out on Tuesday. The plans are more precise than the broad U.S. goals of sending a man back to the moon by 2020 and to Mars by 2030, revealed last month by President George W. Bush. "We think it is technically feasible to have a manned mission to the moon between 2020 and 2025 and then to Mars between 2030...