Discusses NASA's Mars Direct Plan, explaining the possibilities of Martian travel and the rationale for colonizing and terraforming the planet.
The author presents his plan, Mars Direct, with ideas for using present-day technology to "produce fuel and oxygen on the planet's surface with Martian natural resources," etc.--Jacket.
"This book presents key documents from the pre-1915 history of the extraterrestrial life debate. Introductions and commentaries accompany each source document, some of which are published here for the first time or in a new translation. Authors included are Aristotle, Lucretius,…
"This book presents key documents from the pre-1915 history of the extraterrestrial life debate. Introductions and commentaries accompany each source document, some of which are published here for the first time or in a new translation. Authors included are Aristotle, Lucretius,…