dust
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Space & Cosmos
New analysis of asteroid dust reveals evidence of salt water in the early solar system.
In October 2020, a bans -size robot spacecraft temporarily touched the surface of Benne, a 525 -meter planet, 32 million kilometers from the earth. As part of NASA’s OSIRIS-REX mission, spacecraft not only spent two years of imaging as an planet, but also collected valuable samples of dust and small rocks from the poor surface of Bennu. In September 2023,…
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Environment
Study confirms record Sahara dust event hit Spain from 2020 to 2022
Cabo de Gata, Almeria during the dust event on March 15, 2022 | Eva de Mas (EEZA-CSIC). Credit: Eva De Mas (EEZA-CSIC) A study by the Spanish National Research Council (CSIC), an agency belonging to Spain’s Ministry of Science, Innovation and Universities, shows that during 2020 the most intense Saharan dust event ever recorded in Spain and Portugal’s air quality…
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Earth
Ocean dust identifies oldest ice near South America dating back 1.5 million years
Benthic foraminiferal oxygen isotopes and marine and ice dust records from ODP site 1090, IODP site U1537, Dome Fuji (DF), and Epica Dome C (EDC). Dating back up to 2 million years. Climate cycles are indicated by dominant patterns of 40,000-year, 100,000-year, and irregular mid-Pleistocene transitions (MPTs). Credit: Past Climate (2024). DOI: 10.5194/cp-20-1437-2024 Earth’s climate has experienced significant changes over…
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