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Download a free PDF of the October 2009 issue

Features: March 2009

Brave new worlds

The abundance of Earth-like planets will be determined in the next five years, with profound implications for the prevalence of life in the universe. Alan Boss describes the coming revolution in extrasolar planetology

Another giant leap for mankind

The Moon has been neglected by space scientists and astronomers alike since the Apollo days, but now we want to go back. Paul D Spudis explains what motivates the new vision of lunar exploration

The Galileo affair

Maurice A Finocchiaro discusses the lessons and the cultural repercussions of Galileo’s telescopic discoveries

Stars in his eyes

Inspiring public interest in the night sky is one of the key objectives of the International Year of Astronomy. You can be sure then that the Public Astronomer of the UK – Marek Kukula – is experiencing a very high workload right now. Physics World reporter James Dacey managed to steal a bit of time from Kukula's schedule to find out about his job, his interests, and his thoughts on the future of astronomy.