Currently, *thirteen* operational satellites are in Sun-synchronous orbit – RESOURCESAT-1, 2, 2A CARTOSAT-1, 2, 2A, 2B, RISAT-1 and 2, OCEANSAT-2, Megha-Tropiques, SARAL and SCATSAT-1, and *four* in Geostationary orbit- INSAT-3D, Kalpana & INSAT 3A, INSAT -3DR. ESA Observing the Earth homepage, features the latest news on Earth observation missions and satellites, including ERS 1, ERS 2, Envisat, Metop, Meteosat and Living Planet. They have provided a broad, beautiful picture, showing how humans have shaped the planet and lit up the darkness. Earth Observation Satellites Today, India has one of the largest constellations of remote sensing satellites in operation. Satellite images of Earth at night have been a curiosity for the public and a tool of fundamental research for at least 25 years.

For easier navigation, they are split into the following categories: For day-to-day news, I also have a twitter account here that you can follow. Published Apr 12, 2017 On this site, you will find in-depth content about Earth observation satellites and other related topics. Earth at Night.