After Voyager 1 captures the drone, experts believe that there is more low-altitude activity in the interstellar gas than previously thought
Voyager 1 Voyager 1 was sent into interstellar space by NASA 44 years ago. It is already the farthest man-made celestial body in history. It continues to advance towards infinity and has made amazing achievements. Discovery, such as drones.
In 2012, the spacecraft crossed the boundary of the solar system (solar system) and passed the menopause. The solar wind met the stellar winds of other stars and then passed through interstellar space.
Now, nearly 23 billion kilometers away from us, their instruments have detected the hum of interstellar gas (plasma waves). The details of the research conducted by scientists at Cornell University (New York) were published this week in the journal Natural Astronomy.
Stella Koch Ocker, a PhD student in astronomy at Cornell University and the author of the discovery, described the hum as “very faint and monotonous because of its narrow frequency range. We are detecting interstellar The faint and continuous hum of gas”.
Researchers at Cornell University believe that this discovery will help scientists understand how the interstellar medium interacts with the solar wind and how the protective bubbles of the heliosphere are shaped and changed by the environment.
The discovery itself is of scientific significance and only confirms the value of this historic probe, which was launched in September 1977 and passed through Jupiter (1979) and Saturn (end of 1980) at a speed of 61,155 kilometers per hour. , It can still run normally and is sending data.
The study explained that after entering interstellar space, the spacecraft’s plasma wave system detected disturbances in the gas, but between these eruptions caused by our own sun, the researchers found a constant signal generated by almost faint space. .
The authors of the discovery believe that there is more low-altitude activity in the interstellar gas than previously thought, which will allow researchers to track the spatial distribution of plasma, that is, without interference from solar flares.
Therefore, for Cornell University researcher Shami Chatterjee, continuous monitoring of the density of interstellar space is essential: “We have never had the opportunity to evaluate it. Now, we know that we don’t need to be related to the sun. Of random events to measure plasma in interstellar space.”
Voyager 1 established a committee under the auspices of Cornell University professor Calell Sagan, which left a golden record for the earth and was equipped with technology from the mid-1970s. “This is from engineering To the gift of science. This proves the incredible journey of Voyager 1,” Oak concluded. EFE