Lunar seismic testing. Astronaut Edgar Mitchell using seismic equipment on the surface of the Moon,during the Apollo 14 mission of 1971 (31 January to 9 February). The device,known as the thumper,detonated small explosive charges to create small localized moonquakes. These quakes were recorded so that a profile of the lunar interior could be made | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA |
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