Tuesday, November 25, 2014

Planet Earth in 4K

Great time lapse vid of Earth taken in 2011 between May 15th to May 19th, by a geostationary weather satellite called the Elektro-L...

Elektro-L is located ~40,000 km above the Indian ocean, and it orbits at a speed that causes it to remain over the same spot as the Earth rotates. The satellite creates a 121 megapixel image (11136x11136 pixels) every 30 minutes with visible and infrared light wavelengths.
City lights are not visible because they are thousands of times less bright than the reflection of sunlight off the Earth.

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