stars and planetsThe difference between stars and planets was their nature and composition. A star was a spherical luminous plasma condensed by gravity, like the sun. Stars generate energy through nuclear fusion reactions and radiate the energy into outer space. Planets, on the other hand, were celestial bodies that orbited stars and usually did not emit light. Planets were composed of solid, liquid, and gas, unlike stars, which had high temperatures. Stars were usually more massive than planets because stars could continue to undergo nuclear fusion reactions while planets could not. In addition, stars and planets moved differently. Stars moved on their own while planets moved around them. In short, there were obvious differences between stars and planets in terms of nature, composition, mass, and motion.
How are planets in science fiction different from real planets?Science fiction planets differ from real ones in multiple ways. Firstly, the laws of physics might be bent on these fictional planets. For instance, some might have gravity that behaves in an unusual manner to create more interesting storylines. Secondly, the ecosystems can be completely fabricated. Instead of the real - world ecological balance, science - fiction planets can host creatures and plants that are a product of the author's wildest dreams, and they can be used as a backdrop to explore various themes like survival, exploration, and the encounter of different civilizations.
Planets that become starsUnder normal circumstances, it was impossible for a planet to become a star. Planets lacked the conditions to form stars, such as mass and energy. However, recently, scientists discovered a huge hot Jupiter called KELT-12b, which continuously absorbed the energy of its star, and its volume and temperature were constantly increasing. If Kelt-12b hadn't been swallowed by its mother star, it might have become a new sun. However, this situation was very rare and required special conditions and processes. Therefore, under normal circumstances, planets would not become stars.
What are the names of the planets?There were many names for planets. There were eight planets in the solar system, namely Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There were also exoplanets such as Kepler-22B and Kepler-452b. There was also the Locke planet, which was located in the lower right of the Heratodia system. There was also the " Pink Planet " 2012VP-113 in the Kuiper Belt. There were also planets such as the Skull Planet, the Diamond Planet, and the Hell Planet. In addition, there was also a type of cactus that was also known as a planet.
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Aliens create planetsI recommend a few super interesting novels. " Interstellar Development Company " was a sci-fi interstellar civilization novel written by Wuyan Otaku. Humans were still proud of their technology, but they did not know that they were " losers " in the eyes of advanced civilizations. When the protagonist was desperate to buy a house, the " ballpoint pen of the high-latitude world " descended and started the interstellar legend.
" Interstellar Travel " was a sci-fi space love song novel created by Jiaqi. In the big world, technology, abilities, and martial arts were all in full bloom. Each race lived in their own way, and the universe was full of legends.
" Primitive Planet, I Am King " was a fantasy novel written by Pretender 01. There were all kinds of prehistoric creatures and primitive people. Xia Yu brought the fire of civilization and ambition to a planet that had yet to be civilized.
" There's an Alien in My Brain " was a virtual online game novel written by Xing Xingchen. When the protagonist could not even fight alone, the mini aliens had to settle down in the protagonist's head to develop their civilization.
" My Private Planet " was a sci-fi space-time travel novel written by the cotton-padded Wei. The protagonist planted a planet and developed civilization without any missions or routines. Although it was a newcomer's work, it had a big brain hole, but it was poisonous. It was funny in the early stages and a little confusing in the later stages. Overall, it was very innovative.
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Pictures of various planetsHe could refer to the book Planets, which contained a large number of pictures of the eight planets of the solar system (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune). In addition, there were many real photos of these planets on the Internet, such as:
- Mercury: There were real images taken by the Messenger probe from about 100 million kilometers away. You could see a large number of craters, highlands, mountains, valleys, plains, and cliffs, as well as white radiation patterns.
- Venus: Images taken by multiple probes over Venus, as well as some of the Venus landers such as Venus 9, 10, 13, Pioneer Venus, and Venus Express, were sent back. Rocks, highlands, and huge mountains (such as Maxwell Mountains) formed by solidified "not long" magma could be seen. There were few craters on Venus, and the largest was no more than five kilometers in diameter.
- Mars: There were many exploration vehicles and space orbiters on Mars, and they captured a large number of orange images of the surface of the Martian continent covered with hematite. From above, they could see the huge rift Mariner Canyon.
- Jupiter: There is no clear mention of the source of its image, but it can be found through the Internet.
- Saturn: There is no clear mention of the source of its image, but it can be found through the Internet.
- Uranus: There is no clear mention of the source of its image, but it can be found through the Internet.
- Neptune: There is no clear mention of the source of its image, but it can be found through the Internet.
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Picture of the Eight PlanetsThe following steps were used to draw a map of the eight planets:
1. Draw eight circles. When drawing, pay attention to leaving gaps. Don't completely close the circles. Also, focus on observing the gaps in the circles.
2. Give each circle a different feature, pay attention to the design and matching of features such as expressions, and draw a circle around the planet around the second and fifth circles.
3. On the small planets with facial features were written the names of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
4. Mercury could be painted blue, Saturn yellow, Jupiter dark yellow, and Earth blue and green according to its characteristics. Through the above steps, one could draw a stick figure that showed the characteristics of the eight planets.
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The Eight Great PlanetsThe eight planets of the Solar System were Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Mercury was the planet closest to the sun.
Venus: Its rotation direction is opposite to the revolution direction, which is different from most planets.
Earth was a planet inhabited by humans. It was the only planet in the solar system that had liquid water on its surface.
Mars: A planet that is thought to have signs of life, and humans have explored it more.
Jupiter was the largest planet in the solar system.
Saturn: Famous for its beautiful rings.
Uranus: The direction of its rotation is special and is not consistent with the direction of its revolution. It is a relatively unique planet.
Neptune was a large planet in the solar system that was far away from the sun.
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Solar System PlanetsThere were eight planets in the solar system, four of which were terrestrial planets (mainly composed of volcanic rocks and had solid surfaces), namely Mercury, Venus, Earth, and Mars. Earth was the most massive and largest of the terrestrial planets, with a diameter of 12756 kilometers. Earth's diameter was 1.05 times that of Venus, 1.88 times that of Mars, and 2.6 times that of Mercury.
The other four were gas giant planets. In descending order of size, they were Jupiter, Saturn, Uranus, and Neptune. Jupiter was the largest planet in the solar system, with an average diameter of 139822 kilometers. Its diameter was 1.2 times that of Saturn, 2.75 times that of Uranus, and 2.84 times that of Neptune. Jupiter's diameter was about 11 times that of Earth, its volume was more than 1300 times that of Earth, and its mass was 318 times that of Earth. Saturn's diameter was 116464 kilometers, which was 9.5 times that of Earth, and its mass was 95.18 times that of Earth. Uranus 'average diameter was 50724 kilometers, and its volume was slightly larger than Neptune, but Neptune's mass was two and a half times that of Uranus. Neptune's diameter was about 49244 kilometers, its volume was about 57 times that of Earth, and its mass was 17 times that of Earth.
Compared to the Sun, the Sun's diameter was 1392000 kilometers, which was 10 times the diameter of Jupiter and 109 times the diameter of Earth. The Sun's volume and mass were 1000 times that of Jupiter, 1.3 million times that of Earth, and 330,000 times that of Earth.
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