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The whoosh of the Martian wind is eerie. NASA's recently-landed Perservance rover is the first rover to record sound on Mars, and the space agency released the car-sized robot's first recordings ...
The speed of sound on Mars, within the audible bandwidth between 20 Hz – 20 kHz, varies depending on pitch, seemingly due to the low pressure and thermal turbulence of Martian surface air; and, as a result of these conditions, sound is much quieter, and live music would be more variable, than on Earth. [173] [174] [175]
NASA's Perseverance rover recorded a wind gust on Mars with its onboard microphone, sending the recording back for humanity's fist time hearing the wind on Mars.
Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
Ambient noise data collected by the InSight lander's seismometer gives us a detailed look at what lies right underneath its surface.
While Mars's climate has similarities to Earth's, including periodic ice ages, there are also important differences, such as much lower thermal inertia. Mars' atmosphere has a scale height of approximately 11 km (36,000 ft), 60% greater than that on Earth. The climate is of considerable relevance to the question of whether life is or ever has ...
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