Man's Place in the Universe
by Alfred R. Wallace
Publisher: Chapman and Hall 1904
Number of pages: 330
Contents: early ideas; modern ideas; the new astronomy; the distribution of the stars; distances of stars - the sun's motion; unity and the evolution of the star-system; are the stars infinite?; our relation to the Milky Way; the uniformity of matter and its laws; the essential characters of organisms; physical condition essential for life; the Earth in relation to life; the atmosphere in relation to life; the other planets are not habitable; the stars - have they planets?
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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 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 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.
by Philip Morrison, John Billingham, John Wolfe - NASA
In the late twentieth century, scientists converged upon the basic idea of scanning the sky and 'listening' for non-random patterns of electromagnetic emissions in order to detect another possible civilization somewhere else in the universe.