Second big satellite set to resist re-entry burn-up, New Scentist
'On its ROSAT website, DLR estimates that "up to 30 individual debris items with a total mass of up to 1.6 tonnes might reach the surface of the Earth. The X-ray optical system, with its mirrors and a mechanical support structure made of carbon-fibre reinforced composite - or at least a part of it - could be the heaviest single component to reach the ground.""
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