TEMPO
发表于 2025-3-21 16:36:06
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Deduct
发表于 2025-3-21 22:17:18
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innovation
发表于 2025-3-22 02:40:32
Space Missions,n, but also to ensure that it remains within the time and financial budgets. Before any mission can be launched various stages must be completed. First the initial concept must be explored, and then the detail developed. Next the spacecraft and launch vehicle must be produced and tested and finally
affinity
发表于 2025-3-22 06:48:32
Movement in Three Dimensions,s we have access to some form of aircraft, we have a limited third degree of freedom, the ability to move up and down. In space, everything has six degrees of freedom. There are the three degrees of freedom in a straight line, left, right, up, down, forwards and backwards, but things can also rotate
征税
发表于 2025-3-22 12:45:09
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古董
发表于 2025-3-22 14:13:31
Navigation in Three Dimensions,can draw our route on a map in just two dimensions. The compass bearings of north, south, east and west are usually used to show the directions. When we describe the location of somewhere on the Earth, we often only have to give a distance and direction from some other known place. For example, Manc
maroon
发表于 2025-3-22 19:08:42
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habitat
发表于 2025-3-22 23:56:04
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PATRI
发表于 2025-3-23 05:17:55
Observing Satellites, From certain locations, it was also possible to see the satellite as a point of light tracking across the sky..There are now thousands of man-made objects circling the globe. These include the International Space Station, the ., working satellites, dead satellites, discarded rocket stages, fragment
Kaleidoscope
发表于 2025-3-23 05:41:06
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