Searching for Life Across Space and Time
Publisher: The National Academies Press 2017
Number of pages: 133
The search for life is one of the most active fields in space science and involves a wide variety of scientific disciplines, including planetary science, astronomy and astrophysics, chemistry, biology, chemistry, and geoscience. In December 2016, the Space Studies Board hosted a workshop to explore the possibility of habitable environments in the solar system and in exoplanets, techniques for detecting life, and the instrumentation used. This publication summarizes the presentations and discussions from the workshop.
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by G. Gonzalez, D. Brownlee, P. Ward - arXiv
The GHZ is that region in the Milky Way where an Earth-like planet can retain liquid water on its surface and provide a long-term habitat for animal-like aerobic life. In this paper we examine the dependence of the GHZ on Galactic chemical evolution.
by Stephen H. Dole - RAND Corporation
The book examines and estimates the probabilities of finding planets habitable to man and where they might be found. The author presents in detail the characteristics of a planet that can provide an acceptable environment for humankind.
by Gregg Easterbrook - The Atlantic Monthly
Scanning the universe to see if we have company has fallen out of favor among many scientists, but the true believers who continue to search raise diverting questions -- why planets form where they do, and how life began, and where we might end up.
by Clement Vidal - arXiv
Where does it all come from? Where are we going? Are we alone in the universe? What is good and what is evil? The scientific narrative of cosmic evolution demands that we tackle such big questions with a cosmological perspective.