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The lowest energy transfer to Mars is a Hohmann transfer orbit, a conjunction class mission which would involve a roughly 9-month travel time from Earth to Mars, about 500 days (16 mo) [citation needed] at Mars to wait for the transfer window to Earth, and a travel time of about 9 months to return to Earth.
The events of the Heritage Trilogy span from 2040 to 2067. In Semper Mars, evidence of an alien civilization that may have intervened in human evolution threatens to throw the Earth into chaos and war when discovered by scientists in the subterranean ruins on Mars.
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
The human species has significantly evolved during the last two centuries. Our population on Earth has exploded from about one billion to over seven billion people.And we've even changed ...
“Leaving a 2 (degree Celsius) warmer Earth for Mars would be like leaving a messy room so you can live in a toxic waste dump,” they wrote in the book’s introduction. This interview has been ...
In 2006, almost 30 years after von Braun’s death, Apogee Books (Canada) published White’s translation as Project Mars: A Technical Tale. As of 2025, the original German text remains unpublished. Set in the 1980s, the novel describes the first human mission to Mars and its encounter with benevolent Martians there.
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The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth is a popular science book by the futurist and physicist Michio Kaku. The book was initially published on February 20, 2018, by Doubleday. The book was on The New York Times Best Seller list for four weeks. [1]