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A City on Mars is a counterbalance to the growing optimism over space exploration.
A City on Mars: Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through? is a 2023 popular science book by Kelly and Zach Weinersmith.It covers the current state of knowledge of space settlement given changes in the economics of space travel in the 2010s and 2020s, with a particular focus on challenges that the authors consider unresolved or underestimated.
The first part of the book examines the claims made throughout history that Earth and the human species are unique. Sagan proposes two reasons for the persistence of the idea of a geocentric, or Earth-centered universe: human pride in our existence, and the threat of torturing those who dissented from it, particularly during the time of the Roman Inquisition.
A thorough extant study of the anthropic principle is the book The anthropic cosmological principle by John D. Barrow, a cosmologist, and Frank J. Tipler, a cosmologist and mathematical physicist. This book sets out in detail the many known anthropic coincidences and constraints, including many found by its authors.
The famous Drake equation allows us to estimate how many alien civilizations might exist in the Milky Way. It looks like this: N=R*(fp)(ne)(fl)(fi)(fc)L, with each variable defined below.
We need more humans. That’s the message from two of the world’s richest billionaires, Amazon founder Jeff Bezos and Tesla CEO Elon Musk. While the two compete in the space business—Bezos ...
Human presence in outer space began with the first launches of artificial object in the mid 20th century, and has increased to the point where Earth is orbited by a vast number of artificial objects and the far reaches of the Solar System have been visited and explored by a range of space probes.
The book describes the 2017 detection of ʻOumuamua, the first known interstellar object to pass through the Solar System. [ 8 ] [ 9 ] Loeb, an astronomer at Harvard University , speculates that the object might be an extraterrestrial artifact , [ 10 ] a suggestion considered unlikely by the scientific community collectively.