NASA’s Perseverance Mars rover just shot its laser at a rock on Mars.

In a clip uploaded to SoundCloud, we get to listen in on the scientific instrument doing its work. “You’re listening to the first audio recordings of laser strikes on Mars,” a tweet by the rover’s official account reads.

“These rhythmic tapping sounds heard by the microphone on my SuperCam instrument have different intensities that can help my team figure out the structure of the rocks around me,” the tweet reads.

“The microphone serves a practical purpose by telling us something about our rock targets from a distance,” Sylvestre Maurice of the Institute for Research in Astrophysics and Planetary Science in Toulouse, France, said in a NASA blog post about the instrument. “But we can also use it to directly record the sound of the Martian landscape or the rover’s mast swiveling.”

The SuperCam’s laser is designed to study the mineralogy and chemistry of rocks from a distance of up to 20 feet away. NASA is hoping to aid scientists in finding signs of fossilized microbial life as well.

“One of seven instruments aboard the Mars 2020 rover that launches this summer, SuperCam was built by a team of hundreds and packs what would typically require several sizable pieces of equipment into something no bigger than a cereal box,” NASA’s official description of the laser reads.

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Read more: Futurism