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Launch of the Water Watcher
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Published December 17, 2022
The international Surface Water and Ocean Topography (SWOT) mission will measure the height of freshwater bodies and the ocean on more than 90 percent of Earth’s surface.
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Sizing up Mauna Loa’s Lava Flows
Published December 16, 2022
Airborne mapping of the thickness of the lava flows helped scientists calculate that 230 million cubic meters of molten rock poured from the volcano during the two-week eruption.
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Lightning in the U.S. South
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Dangerous thunderstorms and destructive tornadoes lashed the U.S. South amid a sprawling winter storm in December 2022.
Relic Chinampas in Mexico City
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Published December 13, 2022
Many of the canals and floating fields used by ancient civilizations in the Valley of Mexico were lost as lakes were drained, but some examples of the watery fields remain in Xochimilco.
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Saba Island
Published December 10, 2022
The quiet Caribbean island has been a destination for divers looking to spot corals and sea urchins.
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The Frozen Landscape of Isle Royale
Published December 11, 2022
The park is one of the most isolated natural areas in the continental United States and the site of long-running ecological studies.
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Mount Etna Stands Above the Dust
Published December 8, 2022
Saharan dust clouded the skies but stayed low enough to frame the Italian island’s famously active volcano.
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La Niña Times Three
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Three consecutive years of La Niña conditions in the eastern Pacific Ocean make this a rare “triple dip” event.
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Orion Views Earth from Afar
Published December 7, 2022
Fifty years after Apollo 17 astronauts photographed the iconic “blue marble” image, cameras in space have again captured distant views of our home planet.