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| Meteor Shower |
This information was announced Tuesday by Nguyen Duc Phuong, general secretary of the Vietnam Union of Astronomy, who pointed out that after midnight until dawn Vietnamese viewers can observe this natural phenomenon.
The meteor shower is named because it appears to come from the constellation Gemini. Observers located in places where the sky is clear they could see up to 40 Geminids per hour, according to experts branches.
In general, this natural phenomenon is caused by comets release gas and dust as they approach the Sun, it is attributed to a strange rocky object called 3200 Phaethon discovered in 1983 by the Infrared Astronomy Satellite (IRAS), which classified it as an asteroid.
3200 Phaethon seems to be a gigantic piece of the asteroid Pallas which broke off and is listed as a PHC (potentially hazardous asteroid), as its orbit passes about three million miles from Earth and its size is five km wide .
That rain was first observed in 1862 by RP Britain's Greg, who confirm or her radiant in Gemini between the nights of 10 to 12 d ecember. Two U.S. observers, B.V. Marsh and Twining C.A. discovered meteor activity by the same date.
Herschel recorded as arising from Gemini meteors on 12 and 13 d ecember 1863, and three cars of the same radiant fire in 1863 and 1864. As early as 1870, the number of observations was increased and the astronomers found that this was the annual rainfall.
