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BepiColombo captured the sounds of its journey around Mercury.

The European Space Agency (ESA) has released an audio recording created from data collected by the BepiColombo spacecraft, which completed its sixth and final gravitational maneuver near Mercury on January 8, 2025.
BepiColombo зафиксировал звуки своего полета вблизи Меркурия.
Анимация полета BepiColombo в окрестностях Меркурия / © ESA

As the spacecraft approached the first planet from the Sun, it activated the Italian Spring Accelerometer (ISA). This device recorded the actual vibrations of BepiColombo, which were caused by fuel movement, solar panel vibrations, and the operation of the cooling system during its flyby of the planet.

ESA specialists shifted the accelerometer data in frequency to make it audible to the human ear. One hour of measurements was accelerated into one minute of sound.

The audio recording was complemented by a video sequence featuring precise modeling of the spacecraft's trajectory and position, along with photographs taken by one of BepiColombo's cameras.