(a) Describe the main features of Radarsat. Explain what is meant by a "dawn to dusk" orbit and why the Radarsat follows such an orbit.
Explanation
Radarsat's polar-orbiting satellite and "dawn to dusk" orbit are designed to provide high-quality imaging of the Earth's surface. The satellite's orbit allows for global coverage and optimal imaging conditions, resulting in high-resolution images with minimal atmospheric interference.
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