The North March Virginids meteor shower, which lasts between February and April, had its peak this week with the record of a rare phenomenon in the sky of Rio Grande do Sul, observed on the night of this Monday (21): two explosions followed by the fireball meteor, which fell over the ocean near the municipality of São José do Norte.
The information is from the Heller & Jung Space Observatory, in Taquara. The explosion record, identified by Professor Dr. Carlos Fernando Jung, can be seen in the images.
According with the doctor. Jung, this phenomenon was the first of the year. In 2021, it was also observed only once, out of more than 18,000 meteors recorded.
The American Meteor Society (AMS), founded in 1911, estimates that magnitude -4 meteors are expected every 20 hours. Generally, the brighter the ‘fireball’, the rarer the event.
But you have to be careful: the meteor observed yesterday, with magnitude of -4.3, lasted only 2.4 seconds before being extinguished. The fragment entered the planet’s atmosphere at an altitude of 93.2 km and became extinct at an altitude of 53 km.
The AMS also points out that, during this period of the year, the difficulty for observing meteors is greater, as the moon is above the horizon, obscuring most but the brightest.
The activity is even more difficult to see among observers from urban areas.
Source: CNN Brasil
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