Thursday
Sep192013

The spooky sound of interstellar space

Voyager 1 has captured the first sounds of interstellar space, with NASA releasing the sounds today. The eerily noises heard through the creepy static of its instruments, seem to increase in pitch. Scientists have already put it down to plasma being pushed around by forces bigger than our sun.

Launched way back in 1977 the little 700Kg spacecraft has been hurtling through space at a maximum of 62 136km/h. That means it has been going that fast for over 36 years. Everytime you go to sleep, brush your teeth or worry about your finances this little fella is whizzing through space at 50 times the speed of sound. 

And now after 36 years at travelling at these incomprehensible speeds, it has reached the edge of our solar system. There is still a bit of debate around what is truly the edge of the solar system but most scientists agree it is when the gravity of our sun gives way to the interstellar highway of plasma and other particles. 

Many times over the past year Voyager has been heradled as entering interstellar space but it appears that scientists are finally convinced that it has occurred. 

We at Owlempire are hoping some artists use these crazy awesome samples in beats, that would be totally out there.

Hit the Youtube below to hear the spooky ethereal sounds yourself.

  

For more information check out the original press release below:

NASA's Voyager 1 spacecraft captured these sounds of interstellar space. 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.

The graphic shows the frequency of the waves, which indicate the density of the plasma. Colors indicate the intensity of the waves, or how "loud" they are. Red indicates the loudest waves and blue indicates the weakest.

The soundtrack reproduces the amplitude and frequency of the plasma waves as "heard" by Voyager 1. The waves detected by the instrument antennas can be simply amplified and played through a speaker. These frequencies are within the range heard by human ears.

Scientists noticed that each occurrence involved a rising tone. The dashed line indicates that the rising tones follow the same slope. This means a continuously increasing density.

When scientists extrapolated this line even further back in time (not shown), they deduced that Voyager 1 first encountered interstellar plasma in August 2012.

The Voyager spacecraft were built and continue to be operated by NASA's Jet Propulsion Laboratory, in Pasadena, Calif. Caltech manages JPL for NASA. The Voyager missions are a part of NASA's Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate at NASA Headquarters in Washington. 

Sources: wiki youtube nasa

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