The hottest NASA Cassini probe finds mysterious pa

2022-08-14
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NASA's Cassini probe found mysterious particles in Saturn's atmosphere

NASA's Cassini probe continues to make surprising discoveries, and as early as more than a month ago, the probe was burned out in Saturn's atmosphere after the mission ended. New data from the Cassini probe shows that Saturn's magnificent rings are injecting tiny dust particles into the planet's upper atmosphere, forming a complex and unexpected chemical mixture

a mass spectrometer on the Cassini probe detected this strange chemical - the probe has been circling between Saturn and its rings for the last five months. "We really hit the jackpot," said planetary scientist Mark Perry of the Applied Physics Laboratory at Johns Hopkins University in laurel, Maryland On October 17, he reported the discovery at a meeting of the planetary science division of the American Astronomical Society in Provo, Utah

scientists of the project had hoped that the mass spectrometer of Cassini probe could find the characteristics of water molecules between Saturn and Saturn's rings. In the 1970s and 1980s, NASA's pioneer and Voyager probes found fewer charged particles than expected in Saturn's uppermost atmosphere. On the basis of these data, researchers proposed in 1984 that water molecules separated from Saturn's rings - mainly in the form of ice - act as catalysts to separate charged particles from the atmosphere. The Cassini probe, a seemingly simple experiment, scientifically has its corresponding standard instruments and methods. The last few months have given scientists the first opportunity to directly test this idea

but what attracted Cassini's team was not the evidence of the sudden emergence of water. Mass spectrometer data revealed a wizard like presence of chemicals, including methane, which may be carbon monoxide and more complex molecules. The concentration of these chemicals is the largest in Saturn's equatorial and high-altitude regions, which indicates that these substances are falling out of Saturn's rings

the deeper the Cassini probe enters Saturn's atmosphere, the more strange the measurement becomes. Perry told the participants that the Cassini probe skimmed Saturn's surface at the closest distance and revealed a large number of heavy molecules. Scientists have not yet determined the type of each molecule, but it is clear that there are many other molecules besides water

by analyzing the types of substances that may fall off the rings of Saturn, Perry's research can also be customized according to the specific conditions of the user LAN. The research team concluded that these fragments must be fragments of tiny dust particles, which are only 1 to 10 nm in size, but relatively heavy. When these particles fell from Saturn's rings and hit the mass spectrometer of Cassini detector, they were crushed into small pieces

it remains to be seen how these particles fall into the atmosphere from Saturn's rings. "We have a lot of work to do to understand how they get there." Perry said, "no model can predict this."

during these final dives, the Cassini probe accelerated at a speed of 30 kilometers per second along Saturn's gravitational pull, which was four times faster than the mass spectrometer design could bear. "These speeds are higher than any time it has experienced." Linda spilker said that he is a planetary scientist of the jet photoelectric induction laboratory in Pasadena, California, which is one of the more advanced technology propulsion laboratories, and also a scientist of the Cassini project

at such a huge speed, anything hit by the Cassini probe will split into pieces. At 4:55 a.m. on September 15 this year, hundreds of scientists witnessed the nirvana of the Cassini probe in the flames. The Cassini probe disintegrated in Saturn's atmosphere in order to prevent the probe from polluting Saturn's satellites. The design concepts and achievements, including earth, have also made a strong demonstration for the textile industry and footwear industry on how to carry out ecological innovation and transformation in the future. There may be signs of life on these satellites

"Cassini" probe was launched on October 15, 1997, visited Venus, earth, moon, asteroid and Jupiter along the way, and reached the orbit around Saturn in 2004. In the past 20 years, the Cassini exploration mission has significantly refreshed human understanding of Saturn, including its complex rings, various types of satellites and magnetic field environment. It has made a series of major discoveries, such as the existence of a global ocean on Enceladus, the existence of a liquid methane Ocean on Titan, and the detection of hydrogen in the plume ejected by Enceladus

during the 13 years accompanying Saturn, the Cassini probe has sent back a large amount of data, with nearly 400000 images alone. Based on this information, scientists have published about 4000 scientific papers. Based on this information, NASA also designed the exploration plan to Europa and other space exploration projects in the next decade

although the Cassini probe has ended its mission, scientists say it is still possible to make major discoveries in the future. For example, the data from the probe will help to determine the actual age of Saturn's rings and the persistence of its magnetic field

the Cassini probe mission equipped with a mass spectrometer has greatly refreshed human understanding of Saturn, including its complex rings, various types of satellites, and magnetic field environment. At the same time, the data from the probe will help to determine the actual age of Saturn's rings and the persistence of its magnetic field, and help mankind further explore the mysteries of the universe

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