Roman Telescope Begins Quest to Reveal Evolving Universe eos.org
« Nepal-China flood disaster: What’s the latest toll, how many are missing? – Al JazeeraBefore JWST began science operations, a dust-sized particle struck one segment of its 6.5-metre mirror at hypervelocity and left an uncorrectable deformation — damage revealed because Webb can detect nanometre-scale changes in its own optical surface. – Space Daily »
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