BOAST
发表于 2025-3-23 11:38:24
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使激动
发表于 2025-3-23 16:16:31
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fiction
发表于 2025-3-23 21:47:03
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exigent
发表于 2025-3-24 00:34:37
An Historical Introduction to Space PropulsionWe’ll never know when the dream of spaceflight first appeared in human consciousness, or to whom it first appeared. Perhaps it was in the sunbaked plains of Africa or on a high mountain pass in alpine Europe. One of our nameless ancestors looked up at the night sky and wondered at the moving lights in the heavens.
cardiopulmonary
发表于 2025-3-24 03:29:20
The Rocket: How It Works in SpaceThe rocket is a most remarkable device. Its early inventors could not have guessed that it would ultimately evolve into a machine capable of propelling robotic and human payloads through the vacuum of space. In fact, the rocket actually works better in a vacuum than in air!
ornithology
发表于 2025-3-24 09:13:15
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粗野
发表于 2025-3-24 14:25:22
Exploring and Developing Space by SailcraftSailcraft offer unique opportunities to space mission planners. Some of these possibilities will be exploited in the near future, others within a few decades and some in the more distant future. We consider near-term mission possibilities first.
CHECK
发表于 2025-3-24 15:23:49
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CLOT
发表于 2025-3-24 19:31:22
Giovanni Vulpetti,Les Johnson,Gregory L. MatloffPresents details of space-vehicle propulsion (solar sailing), operations of systems that may use sunlight or solar wind and design and construction of these vehicles.Updated with 35% new material from
babble
发表于 2025-3-25 02:11:35
Springer Praxis Bookshttp://image.papertrans.cn/s/image/871424.jpg