Chapter 1634: Fly to Jupiter

Chapter 1822: Flight to Jupiter
‘Okay, we have got the fifth amethyst gem, we can go back to the spaceship. Zhao Zhongyao looked at everyone and said.
‘Okay, let’s get back to the spaceship! Feifei said so too.
So, Zhao Zhongyao took Feifei, Tiantian and Qu Yuqian, and they returned from the lake back to the shore. After reaching the shore of the lake, they boarded the spaceship again.
After returning to the spaceship, Feifei couldn't wait to look at Zhao Zhongyao and ask, ‘Dad, we have got the fifth amethyst gem, then we should go there now. ’
After hearing Feifei’s words, Zhao Zhongyao said, ‘Since we are in this asteroid belt and have got two amethyst gems, then we are about to fly out of this asteroid belt. We are flying to Jupiter. ’
‘Dad, the sixth amethyst gem we are looking for is on that planet. Feifei looked at Zhao Zhongyao again and said.
Zhao Zhongyao heard Feifei’s words and said, ‘I’ve seen star maps before. The sixth amethyst gem we are looking for is on Ganymede. Therefore, we should now leave this asteroid belt and set off for Jupiter. ’
After hearing what his father said, Feifei said, ‘Okay, let’s start to Jupiter! ’
‘Okay, we start to set off for Jupiter. After Zhao Zhongyao finished speaking, he piloted the spacecraft and set off for Jupiter.
It's just that Ceres is still more than 200 million kilometers away from Jupiter. It will take a while for the spacecraft to fly to Jupiter. So Feifei looked at Zhao Zhongyao again and said, ‘Dad, while we have not yet reached Jupiter, please tell us something about Jupiter first! ’
After hearing Feifei’s words, Zhao Zhongyao said, ‘Okay, since we are going to Ganymede, then we still want to learn about Ganymede’s home planet! ’
So, next, Zhao Zhongyao told you some knowledge about Jupiter.
Jupiter is the fifth closest planet to the sun and the largest planet in the solar system. There are 79 moons known in 2019. The ancients already knew this planet, and the Romans named it after the main Jupiter. In ancient China, Jupiter was called the Sui Xing, and it orbited the celestial sphere for about 12 years, which was the same as the Earth Branch. In the Western Han Dynasty, Sima Qian, the author of "Historical Records-Tianguanshu", discovered from actual observations that the Sui Xing had a blue color, which was associated with the "Five Elements" theory, and officially named it Jupiter.
Looking at Jupiter from the earth, the apparent magnitude can be as high as -2.94, which can already illuminate the shadow of objects on the ground. After the moon and Venus, Jupiter is the third brightest celestial body on average in the night sky (Mars can briefly exceed Jupiter's brightness when it is at a certain point in its orbit).
Jupiter is a giant planet with a mass of one-thousandth that of the sun, but 2.5 times the total mass of other planets in the solar system. The main component of Jupiter is hydrogen, but helium, which accounts for only one-tenth of the molecule, accounts for one-fourth of the total mass; it may have a rock core and heavy elements, but there is no solid surface that can be clearly defined. Due to its rapid rotation, Jupiter appears as an oblate. The atmosphere is divided into different zones and belts according to latitude, and there are turbulences and storms at the junction of each other. The most notable example is the Great Red Spot, a huge storm that has never stopped since it was first seen by a telescope in the 17th century. There are also weak planetary rings and a strong magnetosphere surrounding Jupiter, including four Galileo moons discovered in 1610. As of December 2019, 79 moons have been discovered. Ganymede is the largest of these, with a diameter larger than the planet Mercury.
Jupiter is a huge liquid hydrogen star. As the depth increases, liquid hydrogen is formed under high pressure and high temperature at a depth of at least 5000 kilometers from the surface. It is speculated that the center of Jupiter is a nuclear zone composed of materials such as silicate and iron, and the composition and density of materials are in continuous transition.
Jupiter is one of the four gas planets (also known as Jupiter-like planets): a planet that does not mainly consist of solid matter. It is the largest planet in the solar system with an equatorial diameter of 142,984 kilometers. The density of Jupiter is 1.326gcm³, which ranks second among gas planets, but far lower than the four terrestrial planets in the solar system.
Jupiter is releasing huge energy into its universe. The energy it emits is twice the amount of solar energy it gets. This shows that half of the energy released by Jupiter comes from its interior. There is a heat source inside Jupiter. Some people think that its thermal energy may be converted from gravitational potential energy when Jupiter was formed, and it was convected to the surface by large-scale liquid hydrogen.
As we all know, the reason why the sun continuously emits a lot of light and heat is because nuclear fusion reactions are constantly taking place inside the sun, and a lot of energy is released in the process of nuclear fusion. Jupiter is a huge liquid hydrogen planet. It already has incomparable natural nuclear fuel. In addition, the center temperature of Jupiter has reached 280,000 K, and it has the high temperature conditions required for thermonuclear reactions. As for the high-pressure conditions required for the thermonuclear reaction, Jupiter’s contraction speed and the accretion characteristics of the energy released to the sun and energy-carrying particles show that after billions of years of evolution, the central pressure of Jupiter can reach the initial nuclear reaction. The level of stress required.
Jupiter and the sun are very similar in composition, but they don't burn like the sun because of its low mass. For Jupiter to become a star like the sun, it needs to increase its mass to 80 times its current mass. According to calculations by astronomers, only when its mass is greater than 7% of the mass of the sun can it undergo fusion reactions and emit light and heat.
Jupiter's magnetic field strength is 14 times that of the Earth, ranging from 4.2 Gauss at the equator to 10 to 14 Gauss in the polar regions. It is the strongest magnetic field in the solar system (except for sunspots). Surrounding the planet is a weak planetary ring system and a strong magnetosphere (Jupiter's magnetic field is very strong, and its magnetic field on the side facing the sun even extends to the orbit of Saturn). This field is believed to be produced by eddy currents—the conductive material in swirling motion—liquid metallic hydrogen at the core.
The volcano on the Io satellite releases a large amount of sulfur dioxide, forming a gas ring along the satellite's orbit. These gases are ionized in the magnetosphere to produce sulfur and oxygen ions. They and hydrogen ions from Jupiter's atmosphere form a plasma sheet on Jupiter's equatorial plane. These sheets of plasma rotate with the planets, creating a deformed dipole field that enters the plane of the magnetic field. The current in the plasma sheet generates a powerful radio signal, causing a burst in the range of 0.6 to 30 MHz.
Jupiter's magnetosphere is large and complex. The huge space between 1.4 million and 7 million kilometers away from Jupiter is Jupiter's magnetosphere.
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