I love sunsets, they are my favorite!
They are very pretty. It is the time when the Sun's disk disappears below the horizon.
Do you know the average time they last?
No i'm not sure how long. Night occurs when the sun reaches 18 degrees below the horizon and you can no longer see it in the sky.
I never knew it was so technical. Do you know why it is so pretty?
sight of lightness in the morning, and continues until the sun breaks the horizon. This morning twilight "before sunrise", is divided into three categories depending on the amount of sunlight that is present in the sky, which is determined by the angular distance of the centre of the Sun (degrees below the horizon) in the morning. The categories are named: "astronomical", "nautical", and "civil" dawn.
Types of dawn Astronomical dawn.
Astronomical twilight begins when the sky is no longer
astronomical" twilight, which is the period when the Sun is between 12 and 18 degrees below the horizon. "Dusk" is at the very end of astronomical twilight, and is the darkest moment of twilight just before night. Night occurs when the Sun reaches 18 degrees below the horizon and no longer illuminates the sky.
Locations further north than the Arctic Circle and further south than the Antarctic Circle experience no full sunset or sunrise on at least one day of the year, when the polar day or the polar night