Satellite Image of the Day: July 21, 2007
(click here for previous images of the day from RUSMART)

NOAA's Hydrometeorologial Prediction Center (HPC) "Daily National Forecast" image shows a daily national weather prediction

NOAA's National Hurricane Center

Satellites: NOAA-15, NOAA 16, NOAA 17 and NOAA-18, part of NOAA's 850km-high (530 mile-high) Polar Orbiting satellites

The patterns of human civilization

The image below shows Iowa as seen from space.
The grid pattern is due to the roads that crisscross the state, with the intersections being towns or cities.
Just south of the geographic center of the state is Des Moines, at the intersection of I-80 (east-west) and I-35 (north/south).