Assertion: spacecraft's mission | /r/CapableOf | induce vibration
Facets:
value: in the moon's structure
type: LOCATION
Source sentences:
text: After Apollo 12 placed the second of several seismometers on the Moon,  the jettisoned LM ascent stages on Apollo 12 and later missions were deliberately crashed on the Moon at known locations to induce vibrations in the Moon's structure.