Today's Image of the Day from NASA Earth Observatory features sediment swirling in the Gulf of Alaska on December 29, 2023. "After an unusually snowy start to winter, southern Alaska’s coastline remained under a blanket of white in late December," said NASA. "Meanwhile, greens and tans swirled in the dark blue water offshore. The dullness of the hues near shore suggests that the water is mostly colored by sediment. It is likely that phytoplankton - microscopic plant-like organisms - contributed to some of...