The image was taken by an Expedition 22 crew member from the International Space Station prior to STS-130 rendezvous and docking operations on 9 February 2010.
The orange layer is the troposphere, where all of the weather and clouds which we typically watch and experience are generated and contained. This orange layer gives way to the whitish Stratosphere and then into the Mesosphere. In some frames the black color is part of a window frame rather than the blackness of space.
Image credit: NASA
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