Ketu or Neptune (Neptune) It is a planet located in the solar system. It is the last planet farthest from the sun at the center of this system. This distance depends on Pluto’s orbit. which sometimes may be closer to the sun But Pluto is now classified as a dwarf planet. Neptune is the fourth-largest in diameter in the Solar System; however, it is also the third-largest in the system, behind only Jupiter and Saturn. Interestingly enough, as a planet in this system, the word “Ket” is associated with it and is an important part of the study of astronomy and the history of human astronomy.
In 1846, French astronomer Orbien Le Verrier (Urbain Le Verrier) calculated and conjectured that there must be a planet orbiting in the solar system that could affect the motion of the solar system. Uranus by September 23, 1846, presented this idea to the German astronomer Johann G. Galle (Johann G. Galle) who served as a stargazer in the Berlin Observatory. Galle used Leverrier’s concept to search for new planets in a predicted location similar to Leverrier’s calculations. And Neptune was finally discovered on September 23, 1846, which was the fall of that time. This discovery directly confirmed the theory of planets in the solar system and was one of the great achievements in astronomy of the time. This opened the way for us to understand more about the Earth and the solar system in the 19th century.
Neptune is one of the amazing planets of the solar system. with the deathly blue color that imparts a mysterious charm The magical blue reflected in Neptune’s surface comes from the primary compounds of the outer atmosphere, hydrogen and helium, that coat Neptune’s surface. and a small amount of methane as a color giving Neptune a unique look But the beauty of Neptune comes with strange weather conditions. The atmosphere on Neptune has strong winds up to 2,500 kilometers per hour. and low surface temperature -220 degrees Celsius This is the coldest weather that makes humans unable to live on Neptune. But the interior of Neptune from the core of Neptune is made up of rock and hot gas. temperatureinside up to approx. 7,000 degrees Celsius which is hotter than the surface of the Sun
On August 25, 1989, humans had the opportunity to launch Voyager 2 to Neptune, the only spacecraft in history that humans have sent a spacecraft to an extraterrestrial planet. Solar. This is the first and only expedition that humans have sent a spacecraft to Neptune.
When Voyager 2 shows images of Neptune as it returns It reveals some interesting features of Neptune. What has received the most attention is the Great Black Spot on the surface of Neptune, located in the southern hemisphere of the planet. Similar to the Great Red Spot on Jupiter. There are also thin, dark rings surrounding Neptune, a challenging discovery at the time. The first comment was discovered by a researcher named Edward Guinan.
Voyager 2’s journey to Neptune was one of the inaugural events in the history of space and extrasolar exploration. That opens the door for us to learn more about Neptune and the extrasolar system as we continue to touch our feet on Earth.”
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