Astronomy Picture of the Day ·

Moonquakes Surprisingly Common

The Astronomy Picture of the Day for October 10, 2010 is “Moonquakes Surprisingly Common,” an image. It is credited to Credit: Neil Armstrong , Apollo 11 Crew , GRIN , NASA. The original explanation runs about 138 words.

Moonquakes Surprisingly Common
Credit: Neil Armstrong , Apollo 11 Crew , GRIN , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why are there so many moonquakes? A recent reanalysis of seismometers left on the moon by the Apollo moon landings has revealed a surprising number of moonquakes occurring within 30 kilometers of the surface.”

— APOD editors, October 10, 2010

Read the full explanation on science.nasa.gov

At a glance

Date
October 10, 2010
Type
Image
Credit
Credit: Neil Armstrong , Apollo 11 Crew , GRIN , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 138 words

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Topics in this entry

The MoonApollo program

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.