30 Aug '14, 2pm

Citizen Science with Night Images #NASA

Today’s image is the answer to Earth Observatory’s August Puzzler. Since the Mercury missions of the early 1960s, astronauts have taken more than 1.8 million photographs of the Earth from orbit, and about one-third of them have been taken at night. These images are freely available to the public through The Gateway to Astronaut Photography of Earth, which opens up a great opportunity for citizen science. Photographs taken by astronauts on the International Space Station (ISS) are the highest-resolution night imagery available, asserts William Stefanov, NASA’s associate program scientist for Earth observations from the space station. While satellites collect data on a more consistent basis, astronauts with cameras can often get a sharper view. What they cannot always get is the exact location they are viewing. Astronauts captured this photograph of south-central Japan on Au...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=84257&s...

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