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On June 8 this year, Venus will pass between the Earth and the Sun, and people will see a small black dot moving across the Sun's surface, which is called the transit of Venus. In fact, the transit of Venus, like a solar and lunar eclipse, is also a kind of eclipsing phenomenon, but because the apparent circle of Venus is much smaller than that of the Sun, it appears as a small black dot that moves slowly on the surface of the sun.
We know that not only does Venus have transits, but so does Mercury, but Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto do not. This is because both Mercury and Venus orbit the Sun on the inner side of the Earth's orbit (such planets are called endoplanets), and they have the opportunity to pass between the Sun and the Earth, which is necessary for a planetary transit. The planets of fire, wood, earth, king, sea king, and pluto all revolve around the sun on the outer side of the earth's orbit (such planets are called outer planets), and they cannot pass between the sun and the earth.
Since transit is a celestial phenomenon that only exists on the inner planets, and its occurrence is certainly related to its apparent motion, let's talk about this aspect. The inner planets always only oscillate back and forth near the Sun, and their position relative to the Sun is as follows: when the Earth, the inner planets and the Sun are in the same direction, the inner planets are called hypoconjunctions when they are between the Earth and the Sun, and the inner planets are called conjunctions when they are in the direction of the extension line between the Earth and the Sun.
When the angular distance between the inner planet and the sun is the largest, it is called the great elongation, and there are the eastern elongation and the western elongation. Obviously, the inner planet, at its greatest eastern elongation, is located to the east of the Sun, and we can see it on the western horizon before and after the sun sets, and is called a dusk star; The inner planet is the morning star at its greatest western elongation and can be seen on the eastern horizon around the time of the rising sun. The great elongations of Mercury and Venus do not exceed 28° and 48° (TWG), respectively
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It's Venus. Only planets in the Earth's orbit transit, which means that the planet passes through the surface of the Sun, that is, between the Earth and the Sun. The principle is the same as the eclipse, Sissy.
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A transit is the phenomenon in which the circular surface of an inner planet passes over the surface of the sun. Mercury and Venus are closer to the Sun than the Earth, and sometimes they are between the Earth and the Sun in the orbit around the Sun, and observers on Earth can see a small black dot moving slowly on the surface of the Sun, which is the transit phenomenon.
Venus and Mercury are intraterrestrial planets that transit.
Jupiter is an extraterrestrial planet and does not transit.
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A transit of Venus is unlikely because it orbits the inner side of the Earth, while Mercury and Jupiter do transit. A transit is a phenomenon in which a planet passes by the Sun and forms a small black dot in front of the Sun, a phenomenon that can only occur on planets orbiting on the inner side of the Earth (i.e., planets close to the Sun).
In the solar system, a transit is when a planet passes in front of the sun, causing it to appear a small dark shadow on the sun's disk due to a change in the angle of its gaze. This phenomenon occurs very rarely and requires special conditions for it to occur. Of the three planets Venus, Mercury, and Jupiter, only Jupiter does not have a transit.
Let's start with Venus. Venus is one of the closest planets to the Sun, and its orbital period is only about 225 days, so transit is very common. Each transit event can last for hours, making it an important opportunity for observers on Earth to study Venus and its atmosphere.
Next is Mercury. Mercury is the closest planet to the Sun in the Solar System, but because Mercury's orbit is more eccentric, transit is not as frequent as Venus. Mercury's transit occurs only once every 7 years or so, and lasts for a short period of hours.
Finally, there is Jupiter. Jupiter is the largest planet in the solar system, and because it is relatively far from the sun, transit phenomena are not common. Due to Jupiter's large radius, even if the other planets pass in front of the Sun, they will not see transits, only their shadows passing in front of the Sun.
In summary, both Venus and Mercury will have transits, while Jupiter will not. This is due to differences in factors such as the orbits, sizes, and distances of the planets. Transit is an important observation opportunity for astronomers, as it provides the opportunity to study the planet's atmospheres for the first time.
You look at it, there's a very specific analysis.
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