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Hace 5 días · Civil Twilight: Begins in the morning, or ends in the evening, when the geometric center of the sun is 6 degrees below the horizon. Therefore morning civil twilight begins when the geometric center of the sun is 6 degrees below the horizon, and ends at sunrise.
Hace 3 días · Civil twilight can also be described as the limit at which twilight illumination is sufficient, under clear weather conditions. At the beginning of morning civil twilight, or end of evening civil twilight, the horizon is clearly defined.
Hace 3 días · Civil twilight can also be described as the limit at which twilight illumination is sufficient, under clear weather conditions. At the beginning of morning civil twilight, or end of evening civil twilight, the horizon is clearly defined.
Hace 3 días · Civil twilight can also be described as the limit at which twilight illumination is sufficient, under clear weather conditions. At the beginning of morning civil twilight, or end of evening civil twilight, the horizon is clearly defined.
Hace 3 días · During civil twilight the geometric center of the sun is between 0 and 6 degrees below the horizon. Objects are clearly distinguished without artificial light. During nautical twilight the center of the sun is between 6 and 12 degrees below the horizon.
Hace 3 días · During civil twilight the geometric center of the sun is between 0 and 6 degrees below the horizon. Objects are clearly distinguished without artificial light. During nautical twilight the center of the sun is between 6 and 12 degrees below the horizon. Sailors can navigate, using a visible horizon as reference.
Hace 5 días · During civil twilight the geometric center of the sun is between 0 and 6 degrees below the horizon. Objects are clearly distinguished without artificial light. During nautical twilight the center of the sun is between 6 and 12 degrees below the horizon. Sailors can navigate, using a visible horizon as reference.
