One of the latest missions from the ISS is kind of amazing. The High Definition Earth Viewing (HDEV) experiment consists of four cameras that have been attached outside of the ISS. Though temperature is controlled, the cameras are exposed to the radiation from the sun, which will allow astronauts to understand how radiation affects the instruments.
The live stream and more at http://www.iflscience.com/space/eyes-earth-iss-hd-earth-viewing-experiment#808ddHzGy5wVjmTg.99 (http://www.iflscience.com/space/eyes-earth-iss-hd-earth-viewing-experiment#808ddHzGy5wVjmTg.99)
(http://www.iflscience.com/sites/www.iflscience.com/files/styles/ifls_large/public/blog/%5Bnid%5D/iss_earth_viewer.jpg?itok=lxaUqkIh)
Its spinning I guess :D