On today's show...
Light pollution can negatively impact human health and natural ecosystems. Diane Knutson shares more.
She is a former member of the board of directors with the International Dark-Sky Association (1:00 to 11:16).
Bright city lights are also bad for stargazing. Hank Fridell from the Black Hills Astronomical Society talks about what you can still see in the South Dakota summer sky (11:16 to 31:49).
Learn about the BHAS's star parties this season.
Plus, Friends of SDPB's Ellie Davenport invites listeners stargazing in a quiet field outside of Sioux Falls. They share what they see when they look up at night (31:49 to 40:09).
