gustation 发表于 2025-3-23 10:16:05
Scientific Objectives of Lunar Exploration, bears witness to the development of a great interest in the new field of space research within the American scientific community. In one American scientific monthly, the ., the number of papers related to space research has grown from a half-dozen in 1958, to more than one hundred in 1960—a remarka1分开 发表于 2025-3-23 17:15:32
,Distribution of Dust in Cislunar Space—Possible Existence of a Terrestrial Dust Shell,uliar effect occurs which leads to a reversal of the electric charge of the dust particle in the vicinity of two earth radii, or about 4,000 miles above sea level..Because of this effect the concentration of dust particles would begin to be very pronounced at about 4,000 miles altitude, and increase不开心 发表于 2025-3-23 21:50:15
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A Family of Radioisotope-Fueled Auxiliary Power Systems for Lunar Exploration,m ballistic missiles. By monitoring the re-entry of the components, it will be possible to determine the validity of heating rate assumptions and dispersal calculations. These tests should remove all technical reservations concerning the safety of these units in combination with a vehicle system..It救护车 发表于 2025-3-24 09:15:18
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https://doi.org/10.1007/978-1-4899-6439-7city; exploration; New York; Symposium现任者 发表于 2025-3-25 01:23:40
978-1-4899-6215-7Springer Science+Business Media New York 1962