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  2. Chinese scientist hears 'knocking sound' in space - AOL

    www.aol.com/news/2016-12-01-chinese-scientists...

    There is a notion that space is completely silent, for there is no medium for sound to travel. The BBC reports, however, that there are "sounds of space." Other astronauts have had similar ...

  3. Cosmic noise - Wikipedia

    en.wikipedia.org/wiki/Cosmic_noise

    Cosmic noise, also known as galactic radio noise, is a physical phenomenon derived from outside of the Earth's atmosphere.It is not actually sound, and it can be detected through a radio receiver, which is an electronic device that receives radio waves and converts the information given by them to an audible form.

  4. Quindar tones - Wikipedia

    en.wikipedia.org/wiki/Quindar_tones

    Quindar tones were named for the manufacturer Quindar Electronics, Inc., now QEI. Glen Swanson, historian at NASA's Johnson Space Center who edited the Mission Transcript Collection, and Steve Schindler, an engineer with voice systems engineering at NASA's Kennedy Space Center, confirmed the origin of the name. "Quindar tones, named after the ...

  5. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.

  6. NASA offers explanation for bizarre 'trumpet noise' phenomena

    www.aol.com/news/2015-05-22-nasa-attempts-to...

    Now NASA is stepping in to provide some insight into what could actually be causing this scary pattern. NASA scientists believe the ominous noises could potentially be the "background noise" of ...

  7. Listen to the mysterious noises scientists hear inside of a star

    www.aol.com/news/2016-06-09-listen-to-the...

    RELATED: Best space photos of 2015. By measuring the sounds, scientists are able to determine the mass and age of each individual star.

  8. Astronomical radio source - Wikipedia

    en.wikipedia.org/wiki/Astronomical_radio_source

    An astronomical radio source is an object in outer space that emits strong radio waves. Radio emission comes from a wide variety of sources. Radio emission comes from a wide variety of sources. Such objects are among the most extreme and energetic physical processes in the universe .

  9. NASA records bone-chilling sound in gap between Saturn's rings

    www.aol.com/news/2017-05-02-nasa-records-bone...

    A few months ahead of the craft's imminent suicide via controlled crash into Saturn, Cassini gave us a rare glimpse into the sounds of the planet it orbits. NASA records bone-chilling sound in gap ...