Scientists using the James Webb Space Telescope found a daily cloud cycle on the Hot Jupiter WASP-94A b: sand-like clouds appear each morning and clear by evening. The finding helps measure the planet’s atmosphere more accurately.
Photo by Billy Huynh, Unsplash
After the January 2022 eruption of Hunga Tonga–Hunga Ha’apai, satellites showed the volcanic plume helped destroy some methane. Researchers say sunlight on salt and ash likely created reactive chlorine that broke down methane, with implications for climate action.
New research shows Earth's magnetic field can guide tiny particles from our atmosphere to the lunar surface. Computer simulations suggest this process worked best with a strong modern magnetic field and could leave a record in moon soil.
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