Start Date: End Date: Published Date Data Date
Wintry Dunes on Earth and Mars
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Published January 31, 2023
Dunes on both planets occasionally get blanketed with ice and snow—except on Earth the white stuff is frozen water and on Mars it’s often frozen carbon dioxide.
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Breathing Life into the Ocean
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Published December 3, 2022
Almost all life in the ocean depends on tiny photosynthetic organisms known as phytoplankton.
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Fires in Northwest Argentina
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Published December 1, 2022
Forests are burning after being primed by warm temperatures and a lack of rain.
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Vibrant Aurora Over Hudson Bay
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The light show dipped south of the Arctic Circle, where it was especially bright over northeastern Canada.
Mauna Loa Awakens
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Published November 29, 2022
During the first eruption in nearly four decades, satellites observed the volcano’s nighttime glow and sulfur dioxide plume.
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