Rock avalanche...on Mars

Question

So an unusual question perhaps. As part of a person al demo I have a rock avalanche happening on Mars.
I undertsand there is some atmosphere on Mars so I assume there would be some sound travel, unlike say on the lunar surface.
So to be physically accurate, how would you modify the sound of a rock avalanche on earth to make it sound like it is on Mars? The same just less loud or a bit muffled or?

SteveG_AudioMasters_ · Answer

A lot less loud, and with hardly any higher frequencies at all - so a very quiet rumbling sound. Mars is weird - sound travels at different speeds, depending upon its frequency; lower pitched sounds travel slightly slower than any sound above about 240Hz. The actual speed of the sound is generally slower than on earth (250m/s compared to 343m/s) but because the atmosphere is almost all Carbon Dioxide and very thin, a sound that could be heard 64 metres away on Earth would only travel about 8 metres on Mars.

Best question we've had all year!

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