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NASA scientists believe the ominous noises could potentially be the "background noise" of the Earth otherwise known as "Ambient Earth Noise." Since this still lacks scientific confirmation ...
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.
Sites for launching large rockets are often equipped with a sound suppression system to absorb or deflect acoustic energy generated during a rocket launch. As engine exhaust gasses exceed the speed of sound , they collide with the ambient air and shockwaves are created, with noise levels approaching 200 db.
NASA added that the noise will not affect the crew on board. The eerie recording came just days after NASA finally announced a date for the Boeing Starliner to return to Earth.
Space music, also called spacemusic or space ambient, is a subgenre of ambient music and is described as "tranquil, hypnotic and moving". It is derived from new-age music and is associated with lounge music , easy listening , and elevator music .
The mysterious sound began emanating from the Starliner about a week before the spacecraft is slated to undock from the space station without its crew and make its autonomous journey back to Earth.
The ambient noise should thus increase in the daytime while reducing at night. Apart from the temporal variation, the spatial variation can also matter. For example, the commercial shipping is usually concentrated on certain routes. The corresponding amplitude of ambient noise should also decrease when moving away from the shipping routes. [13]
Ambient noise data collected by the InSight lander's seismometer gives us a detailed look at what lies right underneath its surface. Scientists used Mars' ambient noise to map the planet's ...