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This eve, from Thursday to Friday (14), will be able to see the peak of the gemid meteor shower, one of the largest and most intense of the astronomical calendar. Next night, it will still be possible to see shooting stars, but less often.
The Geminids are meeting this year from December 4 to July 17, the highest point, according to NASA, will be at 10:30 (Brasilia) this Friday (14). Professor Marcelo Girardi Schappo, coordinator of the Astronomical Observations project of the Federal Institute of Santa Catarina (IFSC), recommends Professor Marcelo Girardi Schappo at this time of the morning. It is therefore best to observe the phenomenon at dawn from Thursday to Friday.
In theory, the number of meteors will reach 100 per hour. But in reality, the amount observed can be much less than half. It should be remembered that this estimate of the number of meteors is a statistic. In other words, it can take several minutes without any meteors to appear, as there may be several in a row for 5 to 10 minutes.
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Another basic orientation is to be in a place with little or no artificial lighting – beaches , sites, fields, kiosks on the hillside or on the high seas. A tip from Professor Schappo: take a towel or reclining chair, lie flat and look at the sky with tranquility.
Last year, Catarinense Diary followed the observation of gemid meteor shower on the beach of Campeche in Florianópolis.
No instrument is needed to visualize the meteors. The ideal is to lie down or lean in an open space so you can see the sky widely. According to the Ciram / Epagri website, dawn will be from sky with some clouds.
Meteor shower can be defined as a sequence of shooting stars. In fact, they are fragments of rocks that burn when they enter the earth's atmosphere. Most of these traits last very short, fractions of a second. That's why you need constant attention to see the risks in the sky.
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Why Geminids?
The asteroid at the origin of the appearance of this meteor shower is the "3200 Phaeton". It's basically a big rock that revolves around the sun – just like our planet Earth. Small fragments of the 3200 Phaeton enter our atmosphere and cause geminid rains. This asteroid is almost 6 kilometers in diameter. If it collided with our planet, it could cause damage on a global scale. However, its orbital parameters are known and monitored and there is no chance of collision with the Earth.
In the case of a geminid meteorite shower, the fragments of the 3200 Phaeton must reach our atmosphere at a speed greater than 100,000 kilometers at the time. The interaction with the atmospheric gases is so intense that these small fragments of rock can not remain whole. They break apart, causing brilliant effect, and have no chance of reaching the ground.
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