Before the Dawn in America’s Heartland
Image: NASA
Machine-written summary, checked against the sources below
Astronauts captured a nighttime view of the U.S. Midwest, with city lights spread across the heartland under clear, nearly cloudless skies before dawn.
With hardly a cloud in sight, astronauts had a sweeping view of nighttime lights in the U.S. Midwest.
Summary by NASA, the primary source