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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.
Eerie bird sounds are coming from space – and astronomers finally understand why. Vishwam Sankaran. January 22, 2025 at 9:17 AM. ... was key for these strange sounds to emerge.
In space, no one can hear you scream -- but you may hear a knock. When he was alone in a spacecraft in 2003, astronaut Yang Liwei reportedly heard a "knock" despite being alone.
Since this still lacks scientific confirmation, rampant speculation continues about potential extra-terrestrial theories for these "trumpet noises." But don't count NASA as a UFO-doubter just yet.
A skyquake is a phenomenon where a loud sound is reported to originate from the sky. It often manifests as a banging, or a horn-like noise. It often manifests as a banging, or a horn-like noise. The sound may cause noticeable vibration in the ceiling or across a particular room.
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.
The saying goes that 'in space, no one can hear you scream,' but spacecrafts have recorded sounds that are pretty disturbing. The saying goes that 'in space, no one can hear you scream,' but ...
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