The Moon rang like a bell for nearly an hour after the Apollo 12 lunar module impact.

Is it true that the Moon rang like a bell for nearly an hour after the Apollo 12 lunar module impact?

Yes. A Wikipedia article states that NASA reported the Moon rang 'like a bell' for almost an hour after Apollo 12 deliberately crashed its Lunar Module ascent stage on November 20, 1969. A Space Stack Exchange answer and several lunar seismology papers corroborate that the Apollo 12 impact produced an unusually long-lasting seismic signal, though they do not themselves give the nearly-hour figure.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Did the Moon really "ring like a bell" when "Apollo 12 punted its ascent stage" into it? If "no one knows why" exactly, what are the primary theories?. (2025). space.stackexchange.com. https://space.stackexchange.com/questions/67923/did-the-moon-really-ring-like-a-bell-when-apollo-12-punted-its-ascent-stage

Hollow Moon - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Hollow_Moon

Missile Impacts as Sources of Seismic Energy on the Moon. (n.d.). cir.nii.ac.jp. https://doi.org/10.1126/science.168.3928.242

Numerical Simulation of Lunar Seismic Wave Propagation: Investigation of Subsurface Scattering Properties Near Apollo 12 Landing Site. (2021). insu.hal.science. https://doi.org/10.1029/2020JE006406

Apollo 12, A New Vista for Lunar Science.. (1970). eric.ed.gov. https://eric.ed.gov/?id=ED059052