StarDate Susitna 9-4-22, by Kathleen Fleming

September 6, 2022 |

The stars in the night sky are twinkling and Kathleen wants to tell you all about it. Learn some astronomical terms including twilight. Twilight is the period between when the sun sets and the light of the sun is still present in the atmosphere.

The figure below shows civil, nautical and astronomical twilight. Note that the angles are not to scale so as to show the three twilight categories with more clarity. from weather.gov/fsd/twilight