Name: Juno: Entering Jupiter's Magnetosphere by NASA
Duration: 16 s
Description: Juno will improve our understanding of the solar system's beginnings by revealing the origin and evolution of Jupiter.

Listen to the rhythms of the pulsating red giant star called Edasich based on brightness measurements from NASA’s Transiting Exoplanet Survey Satellite. Just below the surfaces of these stars, hot gas rises, cools, and then sinks, where it heats up again, much like a pan of boiling water on a hot stove. This motion produces waves of changing pressure – sound waves. The interaction of these waves results in orderly motion called standing waves that create measurable changes in the star’s brightness. Larger stars produce longer oscillations and thus have deeper tones. To produce audible tones, astronomers multiplied its oscillation frequency by 3 million times. (Credit: NASA/MIT/TESS and Ethan Kruse (USRA), M. Hon et al., 2021)

Red Giant Star Edasich Pulsations

Saturn’s ocean-bearing moon also bears some spooky sounds! Here’s one captured by our Cassini spacecraft.

Cassini: Enceladus Sound

Kepler: Star KIC12268220C Light Curve Waves to Sound

Stardust: Passing Comet Tempel 1

Voyager 1's plasma wave instrument detected the vibrations of dense interstellar plasma, or ionized gas, from October to November 2012 and April to May 2013. This sound reproduces the amplitude and frequency of the plasma waves as "heard" by Voyager 1.

Voyager: Interstellar Plasma Sounds

Voyager: Lightning on Jupiter

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 #2

Juno will improve our understanding of the solar system's beginnings by revealing the origin and evolution of Jupiter.

Juno: Entering Jupiter's Magnetosphere

Hear intriguing radio waves that our Cassini spacecraft collected near Jupiter in January 2001.

Jupiter Sounds 2001

Before settling into orbit around Saturn, Cassini faced a white-knuckle ride through the plane of the planet’s rings. When converted into an audio file, the interstellar cacophony is reminiscent of a hellstorm on Earth.

Cassini Shields Up

These melodious tones are created at a special frequency in a plasma with a magnetic field. The frequency is set by the number of electrons in a given volume (the electron density) and the strength of the magnetic field. Hence, the frequency of these waves, called upper hybrid waves, can provide a very accurate measure of the density of the plasma; a fundamental property of the Jovian environment of interest to scientists. These emissions were acquired by Voyager 2 as it passed through the outer magnetosphere in 1979.

Voyager Plasma Sounds

Hello, we’re NASA. You may have seen our astronauts, rocket launches, or Mars rovers — but have you heard our sounds? From interviews with astronauts and engineers to stories that take you on a tour of the galaxy, NASA’s audio offerings let you experience the thrill of space exploration without ever leaving Earth.

Juno: Entering Jupiter's Magnetosphere

NASA

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