Seeking astronomical current events in September 2007 10 (urgent)

Astronomical phenomena in September 2007

Uranus will hit the sun again on September 9, 2007.

On the 5th, Uranus "rushed to the sun". In China, Tianjin, Changchun, Shenyang and other sunny areas, many astronomy enthusiasts used binoculars to appreciate the beautiful figure of Uranus.

Guo Zhongzhi of Tianjin Astronomical Society observed "rushing to the sun". According to him, the 5th is the 13th day of the lunar calendar. Due to the influence of moonlight, light blue Uranus was barely identified from the starry sky with the help of the map and binoculars, but the effect was not very satisfactory.

According to reports, the so-called "rushing to the sun" means that Uranus and the sun are just on both sides of the earth, and the three are almost in a straight line. At this time, Uranus is closest to the earth and has the highest brightness, which is the best time to watch Uranus in a year.

According to astronomical experts, Uranus was discovered by British astronomer William Herschel and his sister with a telescope in 178 1 year. It is the first big planet discovered by telescope in human history, and its volume is 65 times that of the earth. It goes around the sun once in 84 years.

Astronomical experts reminded that the public who didn't see Uranus on the evening of the 5th need not be disappointed, because in the following 15 days, as long as they wait patiently, the public may observe Uranus without being disturbed by moonlight. If we miss it again, on September 9, 2007 18: 45, Uranus will once again perform the performance of "rushing to the sun", and people will still have a chance to see Uranus.

Rainstorm value of auriga meteor

At around 1 1: 37 UTC in September 2007, the earth will pass through the dust cloud of the Auriga meteor shower at a very close distance, which may produce a meteor rainstorm with zenith flow of about 1000 per hour. And fireballs will probably be the majority, which will be very similar to the scene of the return of The Lion King. However, there are two regrets. 1. The predicted outbreak time is 1 1: 37 universal time, that is, Beijing time 19: 37. As far as most parts of the country are concerned, it will be dark around 20: 00 that day, so if the forecast is accurate, it will not be completely dark when it breaks out. Of course, there is usually an error in forecasting, and I hope this error will be delayed. Second, on that day, the lunar calendar was 20, and the moon phase was about 76%. If the maximum time is delayed a lot, the observation will be disturbed by moonlight.

The mother comet that formed the Auriga meteor shower appeared in 19 1 1, and its period of revolution was about 2500 years. Even so, there are many dense material lumps in its orbit. When the earth passes through these clumps of matter, it will form the auriga meteor shower. In 2007, the earth will pass through a place where the material quality is particularly close to the center, so the meteor shower at that time is very worth looking forward to. This meteor shower prediction model has accurately predicted the Leonid meteor shower in 200 1 and 2002, so it is still reliable. Everyone must pay close attention to the information about this meteor shower, and don't leave any regrets for yourself!

Important astronomical phenomena in June 5438 +2007 10.

65438+1October 8-9 Draco meteor shower is extremely great.

The Draco meteor shower, which had several wonderful performances in the 20th century, may reach its peak twice on the 8th18th and around 2am on the 9th. China, Russian, Canadian, American, British and even all parts of the northern hemisphere can observe the Draco meteor shower. By then, there will be about 100 meteors across the night sky every hour.

Wang Sichao, a researcher at the Purple Mountain Observatory of the Chinese Academy of Sciences, said that compared with other constellations, the Draco meteor shower is more active. There were several spectacular Draco meteor showers in the last century, including two meteor storms. The active period of this Draco meteor shower is from1October 6 10 to 10, and the best observation time is around 8: 00 on the 8th and 2: 00 am on the 9th.

The mother comet of the Draco meteor shower was named "2 1P", which was discovered by astronomers in 1900, with an operating cycle of 6.6 1 year. The eastern and northeastern regions of China are in a favorable observation position for this meteor shower. Wang Sichao said that the high position of Tianlong constellation is conducive to observation. Astronomers can observe after sunset for 40 minutes. Considering the light interference and meteorological influence, we must wait patiently for the meteor when observing. Wang Sichao said that at present, because humans can't accurately calculate the distribution structure of dust particles in the comet of meteor shower mother, they can't accurately predict the occurrence and scale of meteor shower like solar eclipse and lunar eclipse. The public should be psychologically prepared for this when observing.

Jupiter and the moon

If you want to observe Jupiter again this year, you must hurry up. Because in the month of 1 1, the horizon of Jupiter is only 10 after sunset, and it will set soon, which is not conducive to observation. And 10 has at least one hour of observation time after dark.

10 year1October 22nd, the Orion meteor shower was extremely large.

The Orion meteor shower can't be ignored because of its "big name" mother, Comet Halley. This is the first comet confirmed by human beings. It created two meteor showers, Aquarius in the first half of the year and Orion in the second half. Orion meteor shower keeps coming. The latest peak is expected to appear from 2008 to 20 10, and the maximum flow may occur only once in 25 years.

The maximum forecast for this year's Orion meteor shower will be at 5: 00 a.m. Beijing time on the 22nd, and the ZHR value is about 25, which is 12 in September of the lunar calendar, without moonlight interference. The latest forecast is that the second maximum value will appear at night from 17 to 18. The moon was the first quarter moon that night, which had little influence, and the radiation point rose around 22 o'clock. It is strongly recommended that you observe.

65438+1west distance of Venus on October 28th.

Venus has unconsciously become a "morning star" and quickly reached the unknown distance in the west. In the early morning of 28th, the angular distance between Venus and the sun was 46, and the height of the horizon at sunrise was 42, so the observation conditions were very good. From then until next February, it will be a good opportunity to observe Venus before dawn, but we should hurry up, because in the next five months or so, Venus will be too close to the sun to observe.