13 Jan '18, 2pm

Check out these sounds from space NASA has been recording

Check out these sounds from space NASA has been recording

Beyond the border of interstellar space, the distant Voyager 1 spacecraft called back to Earth earlier this year with noises from its new environment. It's true that the void of space does not carry sound — there's no gas or other substance to transmit the waves — but the signal Voyager detected can be played back at frequencies the human ear can understand. NASA announced in September that Voyager 1 had left the heliosphere in August 2012. The heliosphere is a sheath of magnetic influence that emanates from the sun and expands through a stream of charged particles called the solar wind. At the press conference, Don Gurnett, the principal investigator for Voyager 1 's plasma wave science instrument, demonstrated a series of sounds the instrument had picked up. "Strictly speaking, the plasma wave instrument does not detect sound. Instead, it senses waves of electrons in the...

Full article: https://www.mnn.com/earth-matters/space/stories/how-nasas...

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