Apollo 11 set up the Moon's first seismometer in 1969; its recorded moonquakes gave scientists the first detailed map of the lunar interior

The Apollo 11 mission marked a historic milestone by deploying the first lunar seismometer, successfully detecting moonquakes ...
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How NASA secretly erased Apollo 11, the tapes recorded at three stations that nobody thought to save

When NASA launched a search for the original Apollo 11 moon landing tapes, investigators uncovered a trail of bureaucratic neglect, magnetic tape shortages, and decades of silence. The highest quality ...