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8 de may. de 2023 · The belts of debris orbiting Fomalhaut may be the site of regular, explosive collisions, with icy and rocky bodies routinely crashing into each other, throwing up billowing clouds of dust. More observations will enable astronomers to confirm whether the “Great Dust Cloud” lives up to its name, as events unfold.
8 de may. de 2023 · Astronomers used NASA’s James Webb Space Telescope to image the warm dust around a nearby young star, Fomalhaut, in order to study the first asteroid belt ever seen outside of our solar system in infrared light.
7 de jul. de 2023 · A bigger, denser cloud of Saharan dust is currently being blown off the coast of Africa, and could reach Florida by Tuesday. Air quality is expected to worsen in Puerto Rico, the Dominican ...
13 de jun. de 2022 · Some 100 million tons of dust from the Sahara Desert blow out over the Atlantic Ocean each year — enough to be visible in satellite photos. A plume is expected to reach Texas this week.
16 de jun. de 2021 · The star Betelgeuse became visibly darker in 2019 and 2020, puzzling astronomers. New images show that the star was partially concealed by a cloud of dust, solving the mystery of the "Great Dimming" of Betelgeuse.
The Great Salt Lake in the US state of Utah has shrunk by two-thirds since the 1980s because of climate change. This is exposing more arsenic on the lake bed, which high winds and storms could whip into a toxic dust cloud around nearby Salt Lake City – home to 75% of Utah’s population.
7 de jul. de 2023 · The cloud of dust over the Caribbean Sea is predicted to reach Florida by Saturday and could extend toward coastal areas of Texas, Louisiana, Mississippi and Alabama by Sunday.
