This book is a compilation of scientific papers presented at a July 1991 conference which was scheduled to coincide with the 15th anniversary of the unmanned Viking landing on the planet Mars. The conference was planned to cover past, present and future missions to Mars, with th…
"Are we alone in the universe, or are there other life-forms 'out there'? This is one of the most scientifically and philosophically important questions that humanity can ask. Now, in the early 2020s, we are tantalizingly close to an answer. As this book shows, the answer will a…
Sous forme liquide, l'eau a joué un rôle essentiel dans l'apparition, le développement et le maintien de la vie terrestre. Qu'en est-il dans l'Univers? Comment se forme-t-elle et quel rôle y joue-t-elle? Existe-t-il une vie extraterrestre? Une synthèse des connaissances et des r…
