![]() At nautical dusk, the Sun apparently moves to 12° below the horizon in the evening.Beyond this point artificial light may be needed to carry out outdoor activities, depending on atmospheric conditions and location. The sky has many colors at this time, such as orange and red. ![]() At this time objects are still distinguishable and depending on weather conditions some stars and planets may start to become visible to the naked eye. ![]() It marks the end of civil twilight, which begins at sunset.
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