The joint ESA/Jaxa BepiColombo mission flew past Mercury for the first time on 1 October 2021, capturing data with the magnetometer onboard ESA’s Mercury Planetary Orbiter. A sonification of the magnetic field data is presented here.  
 
Two synthesizers can be heard, which are controlled by three characteristics of the magnetic field. The first synthesizer's pitch represents the slowly changing magnitude of the background magnetic field. First the solar wind is heard, then the increase and decrease of the planetary magnetic field, and then the solar wind again. The lower the pitch, the more intense the magnetic field. 
 
The pitch of the second synthesizer is controlled by the variations of the magnetic field magnitude. A more turbulent magnetic field is represented by a faster change in pitch. The magnetosheath crossing after closest approach is very prominent. 
 
Using the amplitude envelope as a control for the volume of the second synthesizer emphasises the different magnetospheric regions.
 
Full story 
https://www.esa.int/Science_Exploration/Space_Science/BepiColombo/BepiColombo_s_first_tastes_of_Mercury_science

Credit: ESA/BepiColombo/MPO-MAG/IGEP-IWF-IC-ISAS

Image credit: ESA/ATG medialab

Sound of the solar wind at Mercury

Measurements collected by the Waves instrument aboard NASA’s Juno spacecraft during its close flyby of Jupiter’s moon Europa on Sept. 29, 2022 have been converted to an audible frequency. The variation of frequency of the plasma waves observed near Europa can be heard as the plasma density varies.
For more information about NASA’s Juno mission, visit: http://nasa.gov/juno and https://missionjuno.com 
Details about the Europa flyby can be found at: https://www.nasa.gov/feature/jpl/nasa-s-juno-will-perform-close-flyby-of-jupiter-s-icy-moon-europa
Credit: NASA/JPL-Caltech/SwRI/Univ of Iowa

Audio from NASA’s Juno Mission: Europa Flyby

This sonification is of the signals recorded by NASA’s InSight Mars lander, which detected a giant meteoroid strike on Dec. 24, 2021, the 1,094th Martian day, or sol, of the mission. InSight’s seismometer records seismic signals that are not in the range of human hearing. In order to make the signals audible, the data was sped up 100 times.
Credit: NASA/JPL-Caltech/CNES/Imperial College London

NASA’s InSight Records the Sound of a Martian Impact

Between Earth and the Sun, space is not truly empty but is filled with a soup of charged particles called plasma. This plasma comes from the Sun, pumped out in a steady stream called the solar wind and sporadically blasted away in explosive solar eruptions. When this solar plasma strikes Earth, it causes the magnetic field lines and plasma around Earth to vibrate like the plucked strings of a harp, producing ultralow-frequency waves. 

In 2007, NASA launched five satellites to fly through Earth’s magnetic “harp” – its magnetosphere – as part of the THEMIS mission (Time History of Events and Macroscale Interactions during Substorms). Since then, THEMIS has been gathering a bounty of information about plasma waves across Earth’s magnetosphere. 

The frequencies of the waves THEMIS measures are too low for our ears to hear, however. So a NASA citizen science project called HARP – or Heliophysics Audified: Resonances in Plasmas – has sped up the waves recorded by THEMIS to convert them to sound waves.

In this clip from February 21-22, 2012, whistle sounds are repeatedly heard over ambient background whooshes and crunches. The whistles decrease and increase in pitch as a THEMIS spacecraft moves toward and away from Earth on one orbit, with a maximum altitude of about 50,000 miles. These sounds are related to Earth’s magnetic harp, which has longer magnetic strings and lower pitches farther away from Earth.

Earth’s Magnetic Harp

This audio is the air compressor for MOXIE pumping air on Mars. MOXIE was launched aboard NASA’s Perseverance rover to test a technology for extracting oxygen from the Red Planet’s carbon dioxide-rich atmosphere. 
Credit: NASA/JPL-Caltech/CNES/IRAP

MOXIE's Air Compressor Pumping Away on Mars

Courtesty of Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS)aboard NASA’s Van Allen Probes team at the University of Iowa

Chorus Radio Waves within Earth's Atmosphere

Saturn is a source of intense radio emissions, which were monitored by our Cassini spacecraft. The radio waves are closely related to the auroras near the poles of the planet. These auroras are similar to Earth's northern and southern lights. This is an audio file of radio emissions from Saturn.

Cassini: Saturn Radio Emissions #1

Kepler: Star KIC7671081B Light Curve Waves to Sound

UPDATE (20 Aug 2015): What made the comet sing? Scientists working on Rosetta's RPC instrument have found out why 67P/C-G was singing. Via http://wp.me/p46DHN-1nN
==
ORIGINAL Citation (Oct 2014): Rosetta’s Plasma Consortium (RPC) has uncovered a mysterious ‘song’ that Comet 67P/Churyumov-Gerasimenko is singing into space. The comet seems to be emitting a ‘song’ in the form of oscillations in the magnetic field in the comet’s environment. It is being sung at 40-50 millihertz, far below human hearing, which typically picks up sound between 20 Hz and 20 kHz. To make the music audible to the human ear, the frequencies have been increased in this recording. This sonification of the RPC-Mag data was compiled by German composer Manuel Senfft (www.tagirijus.de).  Read full details in ESA's Rosetta blog: http://wp.me/p46DHN-Li 

Copyright Notice

Original Data Credit: ESA/Rosetta/RPC/RPC-MAG
Sonification: TU Braunschweig/IGEP/Manuel Senfft, CC-BY-NC-SA 4.0 http://creativecommons.org/licenses/by-nc-sa/4.0/

Thumbnail image credit: ESA/Rosetta/NAVCAM – CC BY-SA IGO 3.0

A Singing Comet

Dusk (FREE DOWNLOAD)

The Stanford Experimental Physics Lab sonified data from the European Space Agency and NASA's Solar and Heliospheric Observatory (SOHO). This humming sound captures the Sun’s natural vibrations and provides scientists with a concrete representation of its dynamic movements.

For more solar sounds, visit: http://soi.stanford.edu/results/sounds.html

Sun Sonification

Official SoundCloud channel of ESA - the European Space Agency. Most (not all) audio content here is licensed under CC BY-SA IGO 3.0. Please check individual credits to be certain. Can't find a track? Our channel used to be http://www.soundcloud.com/esaops - but not anymore. Try searching here for the track name or using keywords instead.

A Singing Comet

European Space Agency

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