Dirurnal Arc

The diurnal arc is the path that a celestial body, such as the sun, appears to follow across the sky over the course of a day. In space and astronautical engineering, understanding the diurnal arc is important for determining the position of a spacecraft relative to the sun and the Earth. This information is used to calculate the amount of solar radiation that a spacecraft will receive, which is critical for determining power requirements and thermal management. Additionally, the diurnal arc is used to determine the timing of communication windows between a spacecraft and ground stations on Earth, as well as for planning scientific observations of celestial bodies.

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