Phases of twilight: True darkness arrives slowly after sunset

Southwest Life

Phases of twilight: True darkness arrives slowly after sunset

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Useful links

Twilight: https://bit.ly/3dQyyQb

Eclipse: https://go.nasa.gov/3heylbj.

ASTRONOMY PICTURE OF THE DAY: http://apod.nasa.gov/apod.

OLD FORT LEWIS OBSERVATORY: www.fortlewis.edu/observatory.

AN ASTRONOMER’S FORECAST FOR DURANGO: https://bit.ly/2eXWa64.

FOUR CORNERS STARGAZERS:https://bit.ly/2pKeKKahttps://bit.ly/2JORvpm