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If a space probe falls on the moon, does it make a sound?

No, sound needs a medium to pass through and there isn't (ok fine, yes there is, but it's not sufficient) an atmosphere on the moon.

Interesting philosophical questions though :)

Wouldn't the crash make a vibration in the lunar soil?

I know it's actually quite dry, thin, and dusty, but half the density of common Earth rock (~1.6 v. ~2.7g/cm³) should still conduct some sound. If you put your ear (or more likely, a microphone) on the ground...

Look up the earth material with the closest density. It's a type of cheese,and yes, the sound will propigate through Christmas. Wtf? Firefox I said Cheese. . (Myth) Actually the closest rock is silicate basalt. Sharp and dusty.

What if we had sticky landing pads? And literally glued the probe to the surface? ( No. You would either have to find a rock or you would simply collect dust. )

There are many brilliant ideas here.

The moon itself is the medium, it’s still sound. Just like listening to rails for approaching trains.

Yes, the sound is carried through the ground.

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