The Making of the Moon: A Deep History of the Impact That Made the Moon (The History of Earth Book 2)

Kindle Edition or EPUB + Converted PDF نویسندگان: Silence of the Earth
جزئیات
فرمت: Kindle Edition or EPUB + Converted PDF ناشر: Silence of the Earth تاریخ انتشار نسخه الکترونیکی : September 3, 2026
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لینک: https://www.amazon.com/dp/B0HHP144V9
توضیحات
No one saw the Moon form. The event consumed the scene of its own making, Earth preserves almost nothing of its first age, and the most famous rock ever carried home — the Genesis Rock of Apollo 15 — turned out to hold a clock reset by later violence. The Making of the Moon: A Deep History of the Impact That Made the Moon is the story of how an unwitnessed catastrophe was reconstructed from what survived, and tested hard enough to deserve belief.The reader watches three confident answers — the Moon as Earth's daughter, as a captured stranger, as a twin raised alongside — each fail the evidence it staked itself on: a spin budget that could not pay for simple fission, oxygen isotopes that resisted a foreign origin, iron that was strikingly scarce. Out of the wreckage comes a specification, then a collision: reached in the 1970s from complementary accretion and angular-momentum arguments, neglected for a decade, elevated at a small Hawaiian conference in 1984, and shown by computer simulation to be physically capable of producing lunar-mass material. Then the account is told forward through the candidate histories — Theia's last hours, hot orbiting debris or an immediate satellite, rapid assembly, a pale crust, and a present retreat of 3.83 centimeters a year reconstructed backward from eclipse records and tidal stone.The book is equally honest about the price: the exact event remains contested among several leading collision families, the Moon's age is a window rather than a single date, and the famous claim that the Moon steadies Earth's tilt remains a live scientific dispute. The second volume in The History of Earth library, it also stands alone.
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