Golden Eyes
Friday, June 3rd, 2011 at
6:32 am
XMM-Newton is the biggest science satellite ever built in Europe. Its telescope mirrors are the most sensitive ever developed in the world 200 square metres of highly polished gold and so smooth that no single gold atom sticks out from the surface by more than its own size. The space observatory was built in conditions of exceptional cleanliness - to preserve its ultra-polished mirrors. The laboratory was 10 000 times cleaner than a typical office.
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US $20.00






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