Vietnam Can Observe the Orionid Meteor Shower Tonight and Tomorrow

• Do not miss the opportunity to admire the largest meteor shower of the year tonight, can be observed with the naked eye.
• The most anticipated astronomical events of 2017.

On the night of tomorrow and dawn on October 21, if weather permits, astronomers in Vietnam will have the opportunity to observe the Orionid meteor shower - this is a medium sized meteor shower with about 20 -30 meteors every hour. This article explains the key facts and context behind meteor shower.

Key Facts About Meteor Shower

The peak of the meteor shower can take place on 2 nights July 20-21, 2017. Sunday and dawn Sunday may be a good time to watch. On both nights, meteor streaks can be observed when it's dark. Perhaps there will be a lot of streaks about a few hours before dawn on October 21, but try it at the time before dawn on October 22. In the dark, you can see a maximum of 10 to 15 streaks each. hours. Fortunately, today is only 1 sound, new moon and does not affect your watching Orionid meteor shower.

According to Mr. Dang Vu Tuan Son, Chairman of Vietnam Young Astronomical Society (VACA), said about 12h on October 20, Orionid constellation will appear fully in the eastern sky and observers can see clearly This constellation if there is a glimpse to the east.

In case the viewing angle is not wide enough tonight, people can also watch the meteor shower at midnight to 1:00 am October 21. At about 3:30 am, the constellation will be highest and then continue to move west.

On the night of the climax, Orionid constellation can reach from 20 to 30 stars per hour for observers from the ground.

Why Meteor Shower Matters

However, the culmination of this meteor shower in Vietnam coincided with the time of the Moon near the Orion constellation. Therefore, more or less observing your meteor will be hampered when the number of meteors will be significantly reduced. It is expected that the number of supernova is only about 10-15 stars per hour in areas with weather, ideal atmosphere and in some places if the air is highly polluted, the amount of meteor can be reduced.

This meteor shower, you can see with the naked eye from every country in the world, including Vietnam. Mr. Son also added to observe this Orionid meteor shower you do not need to use any special tools. Do watch at dawn so viewers should pay attention to the weather to wear appropriate clothes to ensure health when going out at night.

According to Earthsky. com, meteors are not really "stars". More precisely, supernovae are objects in space that are ignited in the earth's atmosphere.

Orionid meteor shower consists of burnt particles of Halley Comet. As the Earth travels around the sun in its orbit and passes through the dust left by Halley Comet, these particles ignite in the earth's atmosphere, forming meteor shower falling.

Each year, Earth's orbits intersect with Halley's Comet trajectory twice, once in May, creating the Eta Aquarid meteor shower, and once in October, formed Orionid meteor shower.