How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Nighttime view of Western Europe: England (top right), Paris (bright city near the middle of the image) and Belgium and the Netherlands (middle-right of frame). Image courtesy of the Earth Science and Remote Sensing Unit, NASA Johnson Space Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Composite image of Europe at night, 2016. NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA's Goddard Space Flight Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Berlin at night, 2016. Earth Science and Remote Sensing Unit, NASA Johnson Space Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Puerto Rico after Hurricane Maria, September 27-28, 2017. NASA Earth Observatory images by Joshua Stevens, using data courtesy of Miguel Román, NASA GSFC, and Andrew Molthan, NASA MSFC. Earth Science and Remote Sensing Unit, NASA Johnson Space Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,City lights shine brighter during the holidays in the United States when compared with the rest of the year, as shown using a new analysis of daily data from the NASA-NOAA Suomi NPP satellite. Dark green pixels are areas where lights are 50 percent brighter, or more, during December. Credits: NASA's Earth Observatory/Jesse Allen

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,North and South Korea, 2012. White inset box shows light of fishing boats in Yellow Sea. NASA Earth Observatory image by Jesse Allen and Robert Simmon, using VIIRS Day-Night Band data from the Suomi National Polar-orbiting Partnership. Earth Science and Remote Sensing Unit, NASA Johnson Space Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,In several cities in the Middle East, city lights brighten during the Muslim holy month of Ramadan, as seen using a new analysis of daily data from the NASA-NOAA Suomi NPP satellite. Dark green pixels are areas where the lights are 50 percent brighter, or more, during Ramadan. Credits: NASA's Earth Observatory/Jesse Allen

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Germany, Belgium and The Netherlands, 2016. Image via NASA Worldview

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,City lights of Africa, Europe and the Middle East, 2012. NASA Earth Observatory image by Robert Simmon, using Suomi NPP VIIRS data provided courtesy of Chris Elvidge (NOAA National Geophysical Data Center)

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Nile River and surrounding region at night, 2016. Credits: NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA's Goddard Space Flight Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities,Earth at Night, 2016. Earth Science and Remote Sensing Unit, NASA Johnson Space Center

How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities

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How Satellite Images of the Earth at Night Help Us Understand Our World and Make Better Cities

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