Two large, partly snow-covered islands lie west of mainland Alaska. Sea ice fragments form swirling patterns in the ocean, and brown water lines part of the Alaskan coastline. NASA Earth Observatory/Michala Garrison
A false-color satellite image shows two large islands west of mainland Alaska. Sea ice fragments appear light blue and form swirling patterns in the ocean. The land appears mostly light green, interrupted by many small ponds and a large river delta. NASA Earth Observatory/Michala Garrison
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