#NightTime

This nighttime view of the United States, dotted with city lights looking toward New York City (center), was taken at approximately 3:40 a.m. local time from the International Space Station as it orbited 259 miles above Earth.

A study of NASA's Black Marble data reveals a pattern of regional volatility in nighttime illumination across the planet.

A recent analysis revealed where artificial light at night has intensified, as well as where it has diminished.

The visible spectral bands of Landsat—the same blue, green and red wavelength colors our eyes can see—are typically not that useful when collected on the