Chapter 1662: Tian Wei San

The first thousand eight hundred and fifty-two chapters
Zhao Zhongyao looked at Feifei and told him some knowledge about Uranus. After Feifei listened, he had a general understanding of this gas giant planet in the solar system.
After Feifei heard what Zhao Zhongyao said about this gas giant planet Uranus, he looked at Zhao Zhongyao and said, "Dad, I already know the knowledge of this Uranus. Come down, shouldn't you still tell us about Tianweisan? Don't we just go to Tianweisan now? ’
After hearing Feifei’s words, Zhao Zhongyao said, ‘Okay, since you still want to learn about Celestial Guardian, let me tell you more about Celestial Guardian! ’
Next, Zhao Zhongyao gave Feifei some knowledge about Tianweisan.
Uranus, also known as Uranus III, is the largest moon of Uranus and the eighth largest moon of the solar system. The diameter is 1,578 kilometers (981 miles). Discovered by William Herschel in 1787, Tianweisan was named after the fairy queen in Shakespeare's "A Midsummer Night's Dream". Its orbit is in the magnetosphere of Uranus.
Titan is composed of approximately equal amounts of ice and rock, and may differentiate into a rock core and an icy mantle, and there may be a layer of liquid water at the core-mantle boundary. The surface of Celeste is relatively dark, slightly reddish, and appears to be shaped by impact and endogenous structuring processes.
It is covered with countless impact craters with a diameter of 326 kilometers (203 miles), but the impact craters are not as severe as the outermost of Uranus’s five large moons. It is possible that Tianwei has experienced an early endogenous surface rebirth event, covering its older crater surface.
A huge system of canyons and cliffs cut the surface of Titan, which is the result of the expansion of its interior in later development. Like all the major moons of Uranus, Uranus may accumulate in the accretion disk after Uranus formed.
Infrared spectroscopy studies conducted from 2001 to 2005 revealed the existence of water ice and carbon dioxide dry ice on the surface of Titan, which may contain a weak carbon dioxide atmosphere, with a surface pressure of about 10 napa. The measured value of the star during the occult occultation is 1–2 Napa, setting any possible atmospheric surface pressure as the upper limit.
Uranus is the most massive and massive satellite of Uranus, and the eighth most massive satellite in the solar system. The density of Uranus is 1.71gcm³, which is much higher than the typical density of Saturn’s moons, indicating that it is composed of approximately equal proportions of water ice and dense non-ice components; the latter can be rocks and carbon-based compounds including heavier organic compounds substance.
Observations of infrared spectroscopy from 2001 to 2005 showed that crystalline water ice existed on the surface of its satellite. The water-ice absorption zone in the same orbital hemisphere is slightly stronger than that in the anti-orbital hemisphere. This is contrary to the results observed in Sky Guard, whose reverse orbit hemisphere exhibits stronger water ice characteristics.
The reason for this asymmetry is unclear, but it may be related to the bombardment of charged particles in the magnetosphere from Uranus, which is stronger in the counter-orbital hemisphere (due to the corotation of the plasma). Energetic particles tend to sublime water ice, breaking down the methane trapped in the ice to form hydrates and darkening other organic matter, leaving a dark carbon-rich residue surface.
In addition to water, the other compounds identified on the surface of Titan by infrared spectroscopy are carbon dioxide, which are mainly concentrated in the retro-orbital hemisphere. The origin of carbon dioxide is not fully understood. It may be produced from local carbonates, or organic matter may be affected by solar ultraviolet radiation or high-energy charged particles from Uranus’ magnetosphere.
The latter process can explain the asymmetry of its distribution, because the opposite orbiting hemisphere is more affected by the magnetosphere than the same orbiting hemisphere. Another possible source is the release of previously trapped CO2 from the water ice inside the early Titan, which may be related to the geological activities on this satellite in the past.
The interior of Titan may differentiate into a rock core surrounded by an icy mantle. If this is the case, the core radius is 520 kilometers (320 miles), accounting for about 66% of the satellite's radius, and its mass is about 58% of the satellite's mass. The proportion is determined by the satellite's mass composition.
The pressure at the center of Titan is about 0.58 GPa (5.8 kbar), and the state of the ice mantle is unclear. If the ice contains enough ammonia or other antifreezes, Titan may have an underground ocean at the core-mantle boundary with a thickness of up to 50 kilometers (31 miles) and a temperature of about 190K. The current internal structure of Sky Guardian largely depends on its thermodynamic history, which we know very little about.
Looking at Feifei, Zhao Zhongyao told him some knowledge about Tianweisan. After Feifei listened, he had a general understanding of this mysterious Tianwei San.
At this moment, Feifei looked at Zhao Zhongyao and said, ‘Dad, then let’s go and see this Tianwei San! ’
‘Okay, we will go up to Tianwei San immediately. After Zhao Zhongyao finished speaking, he accelerated the speed of the spacecraft, and they quickly flew over Tianweisan.
Aliens is the largest moon of Uranus and the eighth largest moon of the solar system. On the entire Tianwei three, it can be said that there are ravines. It is a very complicated planet with many grand canyons and basins.
When the spacecraft flew over Tianweisan, Feifei looked at Zhao Zhongyao again and said, ‘Dad, where should we go now to find the eighth amethyst gem. This eighth amethyst gem must be on top of Tianwei San! ’
After hearing Feifei’s words, Zhao Zhongyao said, ‘according to the instructions on the star map, the eighth amethyst gem is on this sky guard three-star ball. Since the star cluster said so, it must be on this planet. ’
Only after hearing what Zhao Zhongyao said, Feifei said helplessly, ‘Dad, where should we find the eighth amethyst gem. I think this Tianwei Sanshang is full of ravines, and there may be an eighth amethyst gem hidden there. ’
Zhao Zhongyao heard Feifei’s words and said, ‘From the experience of the amethyst gems we were looking for before. Wherever amethyst gemstones are hidden, they are in the canyons or basins of some planets.
We are now looking for the eighth amethyst gem on Tianwei San, and of course we will also look for some grand canyons and basins. ’
Feifei just heard what his father said, and said again, ‘but there are countless canyons and basins on Celeste, which canyon or basin should we look for first. ’
After hearing Feifei’s words, Zhao Zhongyao said, ‘Since the amethyst gems we have found before, they are usually in some basins. Then let's find a big basin first! ’
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