50 years ago people

50 years ago, people were looking at the sky dreaming that astronauts Armstrong, Aldrin and Collins would fulfil their dreams of hope: after landing on the moon the human kind would know no limits. Today, space exploration poses a lot of complex questions, some of which Ursula K.Le Guin had already predicted in her acclaimed novel “The Dispossessed”: shall we take on to outer space, now that the future of life on Earth is increasingly at risk? what would it mean to colonise the universe? .