Consequently,
Bright meteorite crossed sky estrie:
Q: Hello! Furthermore, Have you found it?
R: No! Similarly, It would be fantastic if we were able to find her so quickly, but it takes a little time. However, It’s like looking for a needle in a haystack; It takes a lot of calculations. Furthermore, We try to determine precisely in which area we are going to go get.
We know approximately that it would be around Lake Brome. Similarly, but if there were very strong winds, it could be completely offbeat, towards Bromont or perhaps even towards Chambly.
Q: How does a meteorite fall?
R: There are two important segments. Moreover, First, the light flight, when the meteorite is in the upper atmosphere, 20 to 30 km above sea level. Furthermore, Its light is caused because the meteorite presses the atmosphere which becomes more and more dense. Furthermore, It creates a plasma around it and the crust of fusion. However, It was bright Wednesday evening, very flamboyant, really spectacular.
Then, by dint of entering the atmosphere, the meteorite is slowed down and ends up in free fall. Moreover, At that time, she is not luminous at all and we lose it. Meanwhile, It’s dark flight. Furthermore, There is no radar in Quebec to be able to follow it.
Q: What aspect do they have?
R: A very smooth bright meteorite crossed sky estrie surface. without bubble or anything, a little sparkling and very magnetic because it will contain a lot of iron and nickel. Most of them fragmented. The interior will tell us whether it is a meteorite or not because we will be able to see chonders, these small balls which are the traces of the primitive formation of the solar system.
In Drummondville. recently, we found something, we were convinced that it was a meteorite, until the very last test that showed us that no, because it was not fragile enough. It was a pebble.
Q: What mass had the one that fell in Estrie (or in Montérégie)?
R: We think it is above 20 kg. It is still a big piece and it does not give the impression of having fragmented itself. We assume that it is made from much more iron, larger bright meteorite crossed sky estrie and easier to find.
Q: How often do these meteorites fall?
R: On earth, it drops from 200 to 400 meteorites greater than 10 g. If we count the microméteorites, which weigh 10 g and less, it is between 15,000 and 20,000 per year. In Quebec, we imagine that he falls from one to three meteorites per year. In short, we had our quota in seven months this year, we are privileged!
Q: Should we fear their falls?
R: It could, but it is very rare and very unlikely. A meteorite recently fell bright meteorite crossed sky estrie on the roof of a house in Calgary, Alberta. It crossed the roof and fell into a person’s bed, which found it the next morning.
An event like the one that destroyed dinosaurs arrives every 100 million years. The last one arrived 65 million years ago, so we are still lucky … But these are probabilities.
For an asteroid to be potentially dangerous for humanity, its diameter must be more than 140 m. To reassure people, asteroids that are 1 km and more, they were all found. We know exactly where they are and we watch them. None pass near the earth or meet the orbit of the earth. On the other hand, we know from 70 % to 80 % of those between 140 m and 1 km. This is where we continue to work.
Q: Are they useful for science?
R: Yes, and in several respects. We recovered about 65,000. In the Planetarium, we have the largest collection in Quebec, 545 songs, which is not negligible.
Meteorites have been there for 4.5 billion years; It is one of the primitive songs of our solar system. There are many molecules and amino acids which are the essential bricks of life on earth. One of the main theories of the appearance of life here is precisely piermia. that is the meteorites that have brought the essential elements to the appearance of life on earth, especially water.
Q: If we find them, what precautions should we take?
R: People are therefore asked to bring a Ziploc type plastic bag and gloves. You have to put the meteorite in the bag. close it as quickly as possible so as not to contaminate it or that bright meteorite crossed sky estrie it rusts quickly. Then it is to weigh it, take a photo and send it to us. The last time was in 1994. So all the specimens that have been shown to us for 30 years were not. And we receive about one per day!
Bright meteorite crossed sky estrie
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