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Science | The brightest comet of the year wants the opportunity to visit – Xinhuanet



Source:
Xinhua Net
Time: 2018-12-10 16:27

Xinhua News Agents, Tianjin, December 9 (Reporter Zhou Runjian) Astronomical experts say that the lightweight comet in 2018 the day-long day on the 12th and the nearest # 39; the 16th will pass. If it's good, the atmosphere is high enough, and the audience is interested in China With a small telescope you can see it.

The comet is a small heavenly body in the solar system. The most important composer is water ice. Most comets are weak and bright enough to see the blood eye. According to astronomical data, the comma number 46p / Wirtanen, it is a short period of comet of common Muzu, it's often influenced by gravity by Jupiter and changes his job in & # 39; the operation.

According to astronomical data on January 17, 1948, American astronomers first discovered the comet of this comet in a photographic film. The comet was once the purpose of European space-international "Rosetta". Later, due to the experiment of a holiday window, it was finally left, and the land that was released was "Rosetta" successfully on another comet.

Shi Zhicheng, member of the Chinese Astronomical Society and member of # 39; The Astronautics of Tianjin, said the 46p compresses the closet of the 13th, and closest to # 39; the 16th, only 0.078 astronomical units of Earth, which is 11.62 million kilometers, that is the comet since 70 years ago. The closest to the earth is since its discovery.

"This comet is very suitable for observation in the north hemisphere, but its own size is not large, the brightness will not be too high, it will be 3, not far from the comet group of Taurus, the observation wall is not yet small. " Shi Zhicheng tips It is said that in mid-December is a good time to keep the 46p comet. "At 9:00 pm every night Taurus puts in the south, and the Pleiades group is very noticeable. Interesting astronomers can create a small telescope in preparation for this wonderful cluster.The mysterious beauty of this Comes with a tail. If the atmosphere is sufficient enough, the ability to discover this comet with the bloody fear does not come out. "

(Editor: Wei Xiaohang)


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