Virus: “What Voyager 1 Heard in Interstellar Space”
This sound bit was recorded by the Voyager 1 while in interstellar space, of a coronal mass ejection (eruption) on the Sun’s surface in March of last year.
According to NASA, in March of 2012, a coronal mass ejection erupted on the surface of the Sun, sending out shock waves into the surrounding plasma. The eruption’s shock waves eventually reached Voyager 1 13 months later.
Scientists were able to determine the density of the plasma surrounding the spacecraft by using data gathered of the pitch of the oscillations received by equipment on the Voyager 1.
The plasma was determined to be about 40 times denser than normal, and at a density of the quantity expected in interstellar space.