Top 50: Science

Morning rainforest sounds, about a month before the wet season was due to arrive, at Lacey Creek near Mission Beach, far north Queensland

Rainforest sounds near Mission Beach, Queensland

Twenty-four American astronauts went to the moon between 1968 and 1972.  In the next few years, we are going back.  To get there, we’ll need a dedicated team and a powerful new rocket.  NASA’s Sharon Cobb and Abdiel Santos Galindo take us through the many, many steps involved in preparing for launch.  

Listen to NASA's Curious Universe on Apple Podcasts, Google Podcasts, and SoundCloud.

NASA's Curious Universe: Rocket Assembly Required

On Episode 209, NASA Artemis I flight directors Rick LaBrode and Judd Frieling detail what it will be like in Mission Control Houston during the agency’s next flight around the Moon.

Houston We Have a Podcast: Artemis Flight Directors

Let’s go to Venus! This year, two NASA missions were chosen to explore Earth’s “twin” planet, Venus.  But with extreme temperatures and toxic clouds, these missions have to prepare for a difficult journey.  Join Venus experts Jim Garvin, Sue Smrekar, and Giada Arney on a tour of Earth’s “twisted sister”.   

Listen to NASA's Curious Universe on Apple Podcasts, Google Podcasts, and SoundCloud.

NASA's Curious Universe: Journey To Venus

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

Kepler: Star KIC12268220C Light Curve Waves to Sound

Kepler: Star KIC7671081B Light Curve Waves to Sound

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

Solfeggio frequencies recorded on the morning of the winter solstice copyright Tai Inoue at Nature Sounds 2011 

Windy Winter Solstice - Lakefield National Park, Cape York

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

Juno: Entering Jupiter's Magnetosphere

Juno: Crossing Jupiter's Bow Shock

This recording was produced by converting into audible sounds some of the radar echoes received by Huygens during the last few kilometers of its descent onto Saturn's moon Titan. As the probe approaches the ground, both the pitch and intensity increase. Scientists will use intensity of the echoes to speculate about the nature of the surface.
Credit: ESA/NASA/JPL/University of Arizona

Radar Echoes From Titan's Surface

And beware the weird radio emissions Galileo gathered from Jupiter's largest moon, Ganymede.

Beware of Jupiter’s Largest Moon Ganymede

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

This was an amazing close range encounter allowing me to captured a male Cassowary feeding with his two chicks. The high pitched whistle is the sounds of the chicks the low frequency thumping sound is the call of the male Cassowary. This is a low res preview of the recording, if you are interested in the full recording please contact me. I hope you enjoy this recording! Copyright Tai Inoue at Nature Sounds 2017

Cassowary - Casuarius casuarius (Dad and Chicks)

New research from the up-close Grand Finale orbits of NASA’s Cassini mission shows a surprisingly powerful interaction of plasma waves moving from Saturn to its moon Enceladus. Researchers converted the recording of plasma waves into a “whooshing” audio file that we can hear -- in the same way a radio translates electromagnetic waves into music. Much like air or water, plasma (the fourth state of matter) generates waves to carry energy. The recording was captured by the Radio Plasma Wave Science (RPWS) instrument Sept. 2, 2017, two weeks before Cassini was deliberately plunged into the atmosphere of Saturn. 

For more information, visit: https://saturn.jpl.nasa.gov 

Credit: NASA/JPL-Caltech/University of Iowa

Sounds of Saturn: Hear Radio Emissions of the Planet and Its Moon Enceladus

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

This set of sounds from the surface of Mars were recorded by the microphone on the side of NASA’s Perseverance Rover on February 20, 2021. In the first set, sounds from the rover itself dominate. In the second set, the sound was filtered to make sounds from Mars more audible. You can hear a little wind in the second set. 
 
This is the first time a Mars rover has been equipped with a microphone. The images in this video were taken by Perseverance's Navigation Cameras, or Navcams, on the same day as the microphone sounds, Feb. 20, 2021.
 
For more information about Perseverance, visit https://mars.nasa.gov/perseverance
 
Credit: NASA/JPL-Caltech

Top 50: Science

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