Eyes on Earth: The ISS HD Earth Viewing Experiment

One of the most recent tasks from the ISS is kind of amazing. The High Definition Earth Viewing (HDEV) experiment contains four cameras that have been attached outdoor of the ISS. However temperature is precise, the cameras are wide-open to the radiation from the sun, which will let astronauts understand how radiation affects the tools. The experiment is being run in combination with High Schools United with NASA to Create Hardware (HUNCH) program that helps as outreach for students 9-12. Students participating in this program also aided in design some features of the camera.

Image credit: NASA

The cameras point down at Earth at all times, which makes for some breathtaking images. The feed will sometimes go down as the signal switches between the cameras, and it is hard to see when the ISS is on the dark side of the planet. If the cameras are down, the screen will be grey.

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