Voyager 1 is the farthest man-made celestial body from the earth and the first person to enter interstellar space. It has been detecting scientists attributed it to the “faint, continuous hum” of interstellar gas.
Phys.org quoted a research report in “Natural Astronomy” that the spacecraft’s plasma wave system has acquired “a persistent signal produced by a weak near vacuum.”
The National Aeronautics and Space Administration (NASA) said it “failed to meet responsible standards” after the wreckage of the rocket fell near the Maldives
According to reports, Cornell University astronomy professor James Cordes described the sound as “quiet or light rain.”
He said: “In the event of a sun outbreak, it is like detecting a lightning explosion in a thunderstorm and then returning to light rain.”
Stella Koch Ocker, a doctoral student at the university, led the research. He said: “We are detecting the faint and constant hum of interstellar gas. It is very faint and monotonous because it is in a very narrow frequency bandwidth.”
Voyager 1’s adventure began in 1977, when the spacecraft and its twin Voyager 2 were launched while patrolling the giant gas planets in the solar system.
After looking back at the dazzling postcard scenery of Jupiter’s huge red spots and Saturn’s shining halo, Voyager 2 rose to Uranus and Neptune. At the same time, Voyager 1 uses Saturn as a gravitational slingshot to surpass Pluto.
It is now about 15 billion miles from the earth.
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Voyager 1 is about the size of a small car, and is equipped with instruments for studying magnetic fields, cosmic rays and solar wind.
Associated Pres contributed to this report