Noises sound totally different on Mars than on Earth. Here's why - Science News for Students

The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.

air pressure: The force exerted by the weight of air molecules. alien: A non-native organism. (in astronomy) Life on or from a distant world. atmosphere: The envelope of gases surrounding Earth, an… [+3945 chars]

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