Why twilight formed before sunrise or sunset

Asked by shashwat.sharma2592 | 25th Jul, 2018, 10:54: PM

Expert Answer:

Twilight occurs when the Sun is 18° below horizon. The light from the Sun passes through the atmosphere. Thus, the particles get scattered due to light. 
Thus the twilight is formed before sunrise or after sunset. 

Answered by Shiwani Sawant | 26th Jul, 2018, 11:50: AM