You can hear what it sounds like here. NASA suggests wearing headphones. Mars is significantly colder than Earth, and the well-below-freezing temperatures mean sound takes longer to travel. The speed of sound on Earth is miles per hour, while on Mars it's miles per hour.
The density of Mars' atmosphere is times less than Earth, so sound is softer there. That's why if you try to listen to the Mars version of a bicycle bell, you may hear almost nothing. If you prefer to get updates in real-time subscribe to our blog and get the latest articles in your inbox as they are posted. Aside from the popular philosophical question asking if a tree falling in a forest makes a sound, the most common arboreal inquiry I get as an….
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Join one or more of our email lists. Michael Bahtiarian. Share this project LinkedIn Facebook Twitter. Related People Michael Bahtiarian. Subscribe If you prefer to get updates in real-time subscribe to our blog and get the latest articles in your inbox as they are posted. Related Resources Articles Hearing the Forest for the Trees: Foliage Acoustics and Green Noise Barriers Aside from the popular philosophical question asking if a tree falling in a forest makes a sound, the most common arboreal inquiry I get as an….
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We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience. Necessary Necessary. Rover engineers still use the mic to capture sounds on the surface, along with the second mic: another off-the-shelf device built into its rock-zapping SuperCam instrument.
The SuperCam mics have been especially helpful for JPL to learn more about the environment in Jezero Crater, where Perseverance has been roaming for about seven Earth months. MEDA's sensors are designed to collect samples one to two times a second for up to two hours a time, picking up information on the wind speed, pressure and temperature.
On the other hand, SuperCam can ring up data at a rate of 20, times per second, but over a much shorter time period of a few minutes, JPL noted. One big surprise of the mission was when Perseverance was able to hear the sound of the Ingenuity drone's rotors buzzing April 30 from a distance of feet 80 meters away. The Martian atmosphere is much less dense than that of Earth's and accordingly, scientists weren't sure they would be able to hear high-pitched sounds at all.
The audio has been useful for investigations ranging from how sound propagates on Mars, and keeping Perseverance well-maintained in a way similar to listening to a car engine for signs of trouble. Follow Elizabeth Howell on Twitter howellspace.
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