Beyond the cloud's unusual shape, scientists see the nebula as a freeze-frame in the life of a star facing its final act. Elderly stars shed their outer layers in bursts, creating shells of gas and dust that expand. By observing the nebula at different wavelengths, researchers can sort out what material was molted first, how fast the star is losing mass, and which phase of decline Webb has caught.
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We meet Collins at London's Science Museum. She's softly spoken, warm and very down to earth - but you quickly get a sense of her focus and determination. She clearly has inner steel.
Qatar and Turkey mediated between the two sides, with talks held in Doha and Istanbul. A fragile ceasefire followed, but the negotiations failed to bring about a ceasing of hostilities between the two sides.