This is the Cassini Detector to shoot the most spectacular of a Saturn image, shooting time is 2016, clearly showing Saturn’s Arctic, Saturn ring and Saturn shadows. On October 15, 1997, NASA’s “Cassini” was launched and began Saturn’s exploration tour. According to foreign media reports, when the scientist Galileo for the first time using the earliest amplification equipment to observe the sky, observed Saturn is a mysterious object, there are many mysteries need to be announced. Over the years, Saturn has become more mysterious with the escalation of space surveying equipment. It has a Saturn ring and there is a gap between Saturn’s rings, as well as satellites of different sizes and other interesting properties, with banded structures, brief storms Wait. In recent years, the “Voyager” and other detectors flew over Saturn several times, revealing many of the mysteries and weirdness of the Saturn system.
October 15, 1997, NASA “Cassini” probe launched, Saturn adventure begins, then captured and a large number of the rings of Saturn peculiar spectral image, and the photographing satellite Saturn The The Cassini Detector is also equipped with a Lander – “Huygens” detector, which landed on Saturn’s largest satellite Titanic surface, which is equipped with a radioactive isotope generator and has an independent nuclear power source Continue to use for decades.
in 2004, after seven years of traveling the solar system, the Cassini probe arrived in orbit of Saturn, immediately after the start of data collection, and complete the four-year major task in 2008. The detectors found the Saturn ring, the Saturn Storm and the surface vortex structure, in addition to finding more satellites, and also detecting a wide variety of molecules, the Huygens detectors even found liquid flow methane on the surface of Titan. The following are six major discoveries of the Cassini probe survey:
The figure is Saturn’s Arctic, which is a true color image shot in 2013. Scientists are surprised to find that in the past few years, the Arctic storm from blue slowly into a yellow. Saturn has a hexagonal storm that continues to ravage the Saturn Arctic.
1, Saturn Polar hexagonal hurricane. Although Saturn’s polar hurricanes were originally discovered by the Voyager detectors, it was not until the Cassini detectors were found that people had a surprising fact that Saturn had a hexagonal storm that continued to hit the Saturn Arctic The The rapid rotation of the atmosphere and the hydrodynamics prompted Saturn to have a unique hexagonal storm, which was the first to find such a storm on gaseous planets. The storm has a diameter of more than 32,000 km, appearing at latitude 78o and extending down about 100 km. atmosphere with other different characteristics planet Saturn polar storm does not occur with time latitude, east presence of air moving around the contour of the storm, speed reached 360 km, combined with low airflow latitude, presented in a computer simulation image Strange hexagon. Perhaps the most noteworthy is that the Saturn Arctic vortex is very much like a “hurricane eye”, the Cassini probe in the process of descent to detect the existence of a gap in the hexagonal storm.
Saturn Polar Storm is about 2000 km in diameter and remains in the 13 years of the Cassini Detector’s continuous observation. The most striking is that in the past few years, this mysterious whirlpool began to change color. The scientist John Blalock points out that the hexagonal storm may be slightly brighter when viewed in 2012-2016, but its interior, especially its central ring area, is brighter. This brightening coincides with the increase in photochemical haze at the top of the atmosphere.
Why is this? In fact, this is related to the sun itself, Saturn Arctic tilt from the sun, until 2015, gradually close to the sun. In 2016, Saturn’s polar hexagonal color changed, as if it were directly exposed to sunlight. In the 29-year orbital cycle that surrounds the sun, the Cassini probe can not quickly see this change, it is only because the task lasted for a long time, we found this!
Like all the Earth’s planets, Saturn has its own unique climate, including larger and smaller storms.
2, the solar system so far the biggest storm. Like all the Earth’s planets, Saturn has its own unique climate, including larger and smaller storms. Although the Cassini mission can discover some of the strange phenomena of Saturn, for example: the long pole of the polar hexagonal storm and the southern hemisphere “dragon storm”. The most spectacular storms appear in 2011, and the super storms in Saturn’s northern hemisphere surround the entire planet and last for about 200 days. Close-up shooting shows that the storm in the Saturn surface at a speed of 100 km per hour fast moving.
Although this level of storm occurs every 20-30 years, the largest and longest storm appears in 1876. In April this year, we found that these storms were suppressed by Saturn’s low-level water vapor, not only hydrogen and helium, but also methane. The wet water vapor forms an insulating layer that is isolated from Saturn’s interior from Saturn’s outer layer. Eventually, Saturn’s outer layer of the lower temperature causes it to sink, causing the inner moist layer and the storm to reappear. It is expected that the next major storm of Saturn will appear in the 1930s, and it will eventually tell us how much water is contained in Saturn.
The Saturn ring has some small satellites, as well as ripples and “relief” structures.
3, Saturn ring inherent ripples and “relief” structure. Saturn is in many ways that scientists are concerned, in all of our known planets, Saturn isThe lowest-density planets are also the only planets with visible visible ring structures. It is composed of ice and dust-like material, the ring structure is not solid, but each other through the particles, it is temporarily stick together, tidal gravitational tear. Snowballs and micro-planets are merged together, separated by the tidal gravitational forces of Saturn and its nearby planets.
The ring system itself is only 10-1000 meters in thickness and may be as old as Saturn. When observing the Saturn ring from the side standpoint, due to the angle between the Saturn ring and the sun, the tiny flaws in the ice crystals put a long shadow on the Saturn ring.
Saturn’s main ring extends 7000-80000 km above the equator, larger than Saturn’s radius. Its 99.9% component is water ice, and there are thousands of tiny gaps in Saturn’s ring. At present, Saturn is thicker and more resilient than ancient times. Once the rock material was merged on the satellite, the water ring existed as long as the solar system. Although the Saturn ring has a high reflectivity, it is mainly composed of water ice material, but there is a large difference in the reflectivity of the optical and radio ranges, which allows imaging to be clearer than the former.
There is a satellite on the outside of the Titan track, which looks completely different from other satellites that surround Saturn. Titan is not the same as the other satellites of Saturn, and it surrounds Saturn’s direction is opposite to other satellites.
4, mysterious two-color Titan eight mystery has been announced. Titan is the second satellite found in the Saturn system, it may be the most mysterious satellite. The satellites not only have an equatorial ridge and a larger orbital inclination, but half of it reflects the light like ice, while the other half is 80% dark. What is the reason for making Titan become a mysterious “two-color satellite”? Not the inclination of its orbit, in fact it is the largest satellite from Saturn, and another unique satellite is far from Saturn.
There is a satellite on the outside of the Titan track, which looks completely different from other satellites that surround Saturn. Titan is not the same as the other satellites of Saturn, and it surrounds Saturn’s direction is opposite to other satellites. Titan is running clockwise around Saturn, how is it possible? This is because Titan may not be derived from Saturn, but by the Kuiper band to capture a celestial body. In addition, Titan has the largest, most peculiar ring structure in the solar system.
Only when the Spitzer Infrared Space Telescope was observed in 2004, the Titanicu was a scattered wreckage ring from Titan, and the color was very dark. Its density is also very alarming: about three dust per cubic meter of particles. Of course, since these fragments are in the opposite direction to all other satellites, Saturn’s outermost satellite may collide with it and expose the main side of the satellite to dark debris. Titan’s orbital position is easy to collide with the Titan debris ring. Since Titan and Saturn keep tidal gravitational locking, it means that along with it through the orbit, the same side is always towards Saturn, and the black side is formed on the front side of Titan, while the rear side does not. These black materials accumulate on the Titan side, which is higher than the temperature of the light-colored material, which will lead to direct sublimation of the surface ice. In the gas phase, the steam has a lot of kinetic energy, although not enough to escape the Titan’s gravitational bondage, but can move to the smooth side, where to maintain a stable state. Which led to the Titan has a unique two-color structure, Cassini detector spectral analysis for the announcement of this mystery is of great significance.
The figure is Saturn, Titan II, Titan and Titan nine. Water, heat and organic molecules are present on the surface of Titan, making the planet one of the most likely extraterrestrial stars of the solar system.
5, Titan underground marine life potential. Cassini detector shooting images show that Titan two bright and smooth surface, in fact, it is the solar system with the highest reflectivity of the satellite. But the surface will appear smooth cracks, these cracks are weak ice surface. Titan is on the right side of Saturn’s E-ring center, and its presence is not a coincidence, but due to the formation of Saturn’s ring.
The soil beneath the Titan II is compressed and heated to form a sub-surface ocean of liquid salt water. And then the water from the Titan II gravitational restraint jet out, most of which water material to form E ring. Water, heat and organic molecules are present on the surface of the Titan, so that the planet into the solar system is most likely to live one of the extraterrestrial planet.
At present, Titan has been confirmed to have water, and tidal gravity from Saturn provides the necessary heat. According to the observation of other celestial bodies of the solar system, Titan may also contain raw materials of life. The above three signs indicate that there may be amino acids in the earth’s atmosphere. The spacecraft on the surface of the Titan may be an ideal destination for the existence of alien life, a spacecraft through a geyser jet plume that can collect samples of sprayed material and is likely to find what humans have been hoping for. organic material. Because the Titan is the planet we are most likely to potentially live outside the form of life, after all, this planet exists all the elements of life, its importance can not be ignored.
Cassini detectors were taken to Earth and the moon was in the shadow of Saturn. 6, “re-understanding” the earth. When the Cassini probe travels in the solar system, the Voyager probe first captures the image of the famous “light blue dots”, which is under Saturn’s shadow, although both the Saturn and the atmosphere are illuminated , butCan clearly see a light blue dotted planet, which is our planet, in the light blue dot on the right is the moon. After 20 years of exploration, the Cassini Detector has received many significant discoveries. We believe that the Cassini Detector not only conducts an in-depth survey of the solar system Saturn system, but also helps us to observe more deeply Earth. On September 15th, the Cassini probe will be the last time to enter Saturn’s atmosphere, and it will mark that it will end up exploring the journey. Cassini detectors will witness how far we have gone, and how we are achieved, the future of our exploration tour is still very far away, then we will need our joint efforts. (Allure)