You can see more nighttime imagery of cities and learn about techniques that astronauts use to photograph them in the Earth Observatory feature Cities at Night.
NASA’s Earth Observatory.
NASA Earth Observatory image created by Jesse Allen and Robert Simmon, using EO-1 ALI data provided courtesy of the NASA EO-1 team.
William Ryan, of Columbia University's Lamont-Doherty Earth Observatory outside New York, says there are fewer nodules than people generally believe and most of them are in very deep water.
NASA Earth Observatory image created by Jesse Allen and Robert Simmon, using EO-1 ALI data provided courtesy of the NASA EO-1 team. Caption by Michon Scott.
Over the years, Earth Observatory has featured many images, data sets, and human insights from the Space Shuttle program.
The NASA Earth Observatory explains
NASA Earth Observatory image created by Jesse Allen, using EO-1 ALI data provided courtesy of the NASA EO-1 team.
To learn more about oil slick images shown on the Earth Observatory, including why the oil isn's visible every day, please visit Gulf of Mexico oil slick images: Frequently Asked Questions.
NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center.