The night sky this week
will usher in the release of many "sky-eye videos"
The most noteworthy is October 21
reaches a huge Orion meteor shower
In addition, there is also The lower crescent moon appears in
1 October 20 ml1
Xuanyuan 14th month
1 October night sky
will usher in the visit of Orion meteor shower
1 October 21st to 22nd
1 1 is the huge date of this meteor shower .
Beijing Planetarium experts introduced that among the many meteor showers of large and small in the year, the Orion meteor shower is not big or small in terms of traffic, and is considered a meteor shower with medium traffic. The Orion meteor shower has a very fast meteor, which can reach 66 kilometers per second, which is easier to distinguish.
The active period of the Orion meteor shower is very long, starting from October 2nd to early November every year. Meteors belonging to this meteor group may appear in more than a month. From to around October 21, the flow of the Orion meteor shower reached a huge amount, and the maximum zenith flow is expected to be above 20 per hour. The radiation point of the meteor shower is located between Orion and Gemini . It only rises from the eastern horizon after 10 o'clock in the evening, and gradually rises in the second half of the night. It is located directly south before dawn, with the highest horizon. Therefore, the Orion meteor shower is suitable for observation in the middle of the night.
observation is not necessarily limited to October 21,
can be observed for a few days before and after
, and
.
October 21st is the 26th day of the ninth lunar month. The moon is in Leo, which is a waning moon. The moonlight is darker and has little interference to the observation of meteor showers.
Beijing astronomical photography enthusiast Lu Shupei photographed Orion meteor shower in Inner Mongolia Autonomous Region on October 22, 2017
Friends who love astronomy,
Are you ready for a telescope?
Xiaofang is ready to make a wish!
Source: Beijing Daily, Beijing Planetarium
