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Titlebook: Harvesting Space for a Greener Earth; Greg Matloff,C Bangs,Les Johnson Book 2014Latest edition Springer Science+Business Media New York 20

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樓主: clannish
11#
發(fā)表于 2025-3-23 10:30:38 | 只看該作者
information on the topic of the resource crisis and asteroi.What was our planet like in years past? How has our civilization affected Earth and its ecology? .Harvesting Space for a Greener Planet, .the Second Edition of .Paradise Regained: The Regreening of the Earth., begins by discussing these qu
12#
發(fā)表于 2025-3-23 16:14:34 | 只看該作者
Space Utilization: A Moral Imperative resources as we’ve been, but there are so many of them that each using only using a small fraction (as compared to residents of North America, Europe, and Japan) of what their developed counterparts use will place dramatically increased stress on the global environment and the planet’s resources.
13#
發(fā)表于 2025-3-23 21:14:10 | 只看該作者
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發(fā)表于 2025-3-23 22:15:08 | 只看該作者
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發(fā)表于 2025-3-24 02:59:19 | 只看該作者
The Formation of Earth and the Solar Systemt have been trillions of miles across), a bright star blazed. Much larger and more massive than our present-day Sun, this nameless star approached the end of its life cycle about 5 billion years ago. As its nuclear fires waned, it began to collapse. As it collapsed, temperature and density near its
16#
發(fā)表于 2025-3-24 08:50:41 | 只看該作者
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發(fā)表于 2025-3-24 13:17:00 | 只看該作者
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發(fā)表于 2025-3-24 17:03:06 | 只看該作者
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發(fā)表于 2025-3-24 22:12:46 | 只看該作者
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發(fā)表于 2025-3-25 02:42:38 | 只看該作者
Power from the Sun). To make this number easier to work with, scientists write it as 3.86 × 10. W, or 386 followed by 24 zeros. The amount of solar energy per second reaching Earth, which is 93 million miles from the Sun, is 1.74 × 10. watts, or approximately 1,368 W/m.. By way of comparison, in 2005 the total power
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