Imagine you were able to stand on the surface of Mars, Venus, or even Titan without the need for protective gear. Now, imagine you were speaking. Do you think you’d sound the same as on Earth? The answer is no. Sound is a mechanical wave, which means that it doesn’t travel through a pure vacuum, it needs a medium. The properties of said medium affect the speed of the waves, and the atmospheres of terrestrial worlds are not at all the same. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

There are four worlds in the Solar System that we could (sort of) stand on and with dense enough atmospheres for sounds to move in our audible range: Earth, Venus, Mars, and Titan, the largest moon of Saturn. We know, Venus has a temperature that can me

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