Today, be destined is a not common date. Be in today, 2019 on December 14, great meteor shower is about to come to annual Gemini to the earth! Time to had ended, we are about to see its figure today!
To the dweller of the Northern Hemisphere, the cold winter December brought thick drowsiness, I believe most person stays in in the winter most the place of enjoy oneself so much as to forget to leave letting a person----By the nest. But today is special day, if you like meteor shower, so today is the astronomical phenomena regale that you cannot miss. It is annual Gemini meteor shower!
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Arrive from 20 centuries end at the beginning of 21 centuries, the consequence of Gemini meteor shower had exceeded summertime Perseus meteor shower, make the most popular this year meteor shower. Although Perseus meteor shower happens in the summer that summer vacation ends, harmonious weather observation condition more get the welcome of people. However, gemini meteor shower had exceeded the flow of Perseus meteor shower, its annual meteor shower flow exceeds normally horary 100, so if you want to watch perfect meteor shower regale, so Gemini meteor shower is your best choice. Additional, relative to taller northward radiate the dot is located in in Gemini near light castor-oil plant heavenly body, this is meant to twin, differ with a lot of meteor shower, you see before local midnight via regular meeting slow and majestic earth sweeps past the person that feed.
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2019, the predicting peak value of Gemini meteor shower predicts world time arrived at 12 o'clock on December 14 piece now time of standard of the eastpart part in the morning between 7 o'clock. 2019 the when forecasting zenith rate of Gemini meteor shower (ZHR) is about for horary 120 shooting stars. Of course, this is an Utopian hour discharge, it must issue ability to be able to get first-rate observation in a perfect weather condition.
Nevertheless, unfortunate is, on December 12, namely before two days, the moon also will receive a baby's completion of its first month of life. This also is the most adjacent solstitial " the month of long night " , mean full moon to be able to be hanged high in the night sky December, because of this moon piece have the observation that may affect meteor shower.
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Nevertheless the expert expresses to need not worry, we can think method reduces the smooth pollution of the moon. Although be in the fastigium of meteor shower, the of 94% illumination in the sky is held by lunar place, and at the appointed time the place that the moon will be located in the radiation place that leaves Gemini to only 9 is spend, not far from Gemini of tower of sidereal heart Er. But the discharge of Gemini meteor shower is achieved horary many 100 shooting star, accordingly we have enough time to come observation. So we can select an observation site, use hill or building to hold off lunar dazzle. In addition, the activity of Gemini has a quite long fastigium, need not worry so.
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The origin of Gemini meteor shower is meteor shower in most the topic of take delight in talking about. Most meteor shower is the old dust that stays by comet flows form, and Gemini meteor shower is by mysterious " rock - comet " 3200 laws strategic point to be formed together. This celestial bodies moves around the sun, revolution cycle amounts to 524 days, foregone perihelion is apart from the sun to have 0.14 astronomical unit only, conversion is a distance about 20.9 million kilometer, this strange celestial bodies is the remains of comet nucleus it seems that, when it moves around the sun, this comet nucleus also is met experience pole heat and arctic suffer, because its revolution orbit from time to time is close, from time to time is far, because this cannot avoid such consequence.
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The scientist expresses, 3200 laws be stranded is a celestial bodies that deserves prospective research together. 2017, be apart from the earth with the course when 3200 laws be stranded when the place of 10.3 million kilometer, earthly radar explored 3200 laws be stranded to be the same as. Till this century end, namely on December 14, 2093, 3200 laws be stranded is apart from the earth together when 2.9 million kilometer, we just can see its real features again. Japanese spaceflight bureau put forward the name is " destiny + " plan, if this comet blasted off 2022, it will visit this rock comet.
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Additional, this month besides Gemini meteor shower, still Ursids of a meteor shower will happen on December 22, be close to namely solstitial when, rebuke as a child at the appointed time the Kocab star of constellation (a dot radiate near Beta Ursae Minoris) comes out. This air current with almost perpendicular bump the earth at orbital angle, produce a meteor shower, duration is less than 10 hours, predict will on December 22 (weekday) 21:00 reach peak value, have 20 shooting stars on average about hourly. This fastigium also 4 days as it happens is new moon ago, new moon happening is in 26 days. The origin of Ursids is the 8P/Tuttle comet of periodic revolution, its run orbit to be 13.6 years, it is 1.03 AU to the distance of perihelion from the sun, time is on August 27, 2021. The friend that have fun at must not be missed at the appointed time.
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