Science
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Can Dust and Water Survive Near the Milky Way’s Black Hole? Webb Finds They Can
Yes. New James Webb Space Telescope observations show that silicate dust and water can form or survive in the envelope of an ageing star only about 0.55 light-years from Sagittarius A*, the supermassive black hole at the centre of the Milky Way. The finding comes from a detailed infrared study of IRS 3, one of…
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What Was Leolepis? The Tiny Armoured Fish From Before Earth’s Biggest Extinction
Leolepis matogrossensis is a newly described 254-million-year-old ray-finned fish from Brazil. It was only about 15 centimetres long, carried tooth-like armour and lived beside a vast Permian lake shortly before the largest mass extinction in Earth’s history. The fossil is unusually complete for a South American fish of its age. It was found in reddish…