The University of Arizona Steward Observatory Mirror Lab’s casting of the first mirror for the Giant Magellan Telescope (GMT) “appears to be essentially perfect,” UA Steward Observatory Director Peter ...
The first mirrors for the European Southern Observatory's Extremely Large Telescope (ELT) arrived at the scope’s future home in Chile just in time for Christmas, but the unboxing process is going to ...
NASA has successfully installed the first of 18 flight mirrors onto the James Webb Space Telescope, beginning a critical piece of the observatory’s construction. In the clean room at NASA’s Goddard ...
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