Astronomers theorize the popular belief that all sound is lost in the vacuum of space is untrue. Researcher Bruce Betts created the "Marsinator" that demonstrates what his voice would sound like on Mars. A panel of scientists, astronomers, and physicists created a list of the ultimate sounds of space.
The audio afterglow can be "heard" through the glowing gases that were present at the time. An astronomer asks an organ player to emulate the chaotic sound scientists recorded of the afterglow. Cosmology is so advanced, it is possible to create a computerized replication of the young universe.
The Deep Tone of Perseus is the sound made by a galaxy cluster whose center is a large black hole. Sound waves are pressure waves produced when air molecules collide rapidly.
Pulsars emit a variety of sounds, but all have repeating blips. Astronomers first thought the beat of stars were messages from extraterrestrials. The sun makes sounds through the convection process; satellites detect the wind-like sounds of Jupiter's Jovian Chorus and its Bow Shock.
The Jovian Moons surrounding Jupiter emit strange sounds from charged particles created by the planet's magnetic field. The Cassini spacecraft detected the sounds of Saturn through a plasma wave instrument. The Planetary Society converts the sounds of Titan from staccato noise to something audible to humans.
Astronomers recreated the descent of the Cassini-Huygens' microphone to the surface of Titan. Experts determined that echoes from Earth were the most alien sounds in the universe because they were created by living organisms.
Credits: Alien Sounds
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What does the Universe sound like? From the sweep of a pulsar, to the deafening roar of our boiling sun this episode explores the undiscovered soundscapes of the solar system, the galaxy, and the entire cosmos.
Length: 45 minutes
Copyright date: ©2011
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Not available to Home Video, Dealer and Publisher customers.
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Our Place in the Milky Way
How the Solar System was Made
Science Fiction, Science Fact
Nemesis: The Sun's Evil Twin
Worst Days on Planet Earth
Living in Space
It Fell from Space
Biggest Things in Space
Ride the Comet
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