What are the 3 sunsets?
What are the 3 sunsets? Astronomers recognize three different stages of twilight: civil twilight, nautical twilight and astronomical twilight. All three stages happen twice in a 24-hour period, between day and night and then repeating in reverse order between night and day.
Astronomers recognize three different stages of twilight: civil twilight, nautical twilight and astronomical twilight. All three stages happen twice in a 24-hour period, between day and night and then repeating in reverse order between night and day.
