The California Spatial Reference Center (CSRC) modernized the California Spatial Reference Network (CSRN) on July 31, 2025. The new California Spatial Reference Network is denoted as CSRN Epoch ...
No audio available for this content. We leave as we came, and, God willing, we shall return, with peace and hope for all mankind.” —Astronaut Gene Cernan’s closing words, the twelfth and last person ...
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