The trajectory of ballistic missile is 3: A. Powered flight: launch until thrust burnout. B. Free flight. C. Re entry: lasts until impact.
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High performance rockets using the principle of "staging" made it
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Observation is science, Research? mmm not sure.
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The beauty in a RADAR lies in the fact that it is able to determine speed plus position.
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If orbital motion is around the sun " easterly", then it it Direct. Otherwise it is Retrograde
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Orbital Elements: 6 measures that describe size, shape, orientation of an orbit,and to pin pointing position of satellite @ certain time.
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Each object in orbit belongs a "coordinate system".
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