Perseids Between 50 and 200 colorful shooting stars are expected per hour: what you need to know

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By Martin Leduc Posted on 10 August 22 at 20:08 News View my news Follow this media Up to 200 shooting stars per hour could be observed during the night peak of the Perseids on the night of the 12th to the 13th August 2022. (©illustration/Adobestock) They can be red, blue or green. They rotate at a speed close to 58 km/second. These are the shooting stars of the Perseids, a phenomenon that only happens once a year. This year, it started on July 17 and is expected to last until August 24. But the peak, when there will be more, will fall on the night of Friday August 12 to Saturday August 13. Here’s everything you need to know about this beautiful show that promises to surprise us. What are the Perseids? “In fact, at the base, there is comet Swift Tuttle,” explains Gilles Dawidowicz, vice-president of the French astronomical society and president of the planetology commission. “It passes in front of the Earth once every 133 years. The last time was in 1992. What interests us here is all the dust that comes off as it moves. This swarm is also called a bull.” specifies the vice president. This dust, whose size ranges from that of a grain of sand to that of a grain of flour, passes close to us every year. “When they enter our atmosphere at 58 km per second , burn up leaving a trail behind. Depending on their composition, the color may vary. » How to make sure you don’t miss a shooting star? Knowing that the trail left by shooting stars remains visible for up to a second, it’s impossible to see them all Videos: Currently in ActuThe moon could possibly be a problem, but it won’t stay in the field of view all night, if it ever causes too much light, feel free to position yourself so that it’s hidden behind of a tree, for example Gilles DawidowiczVice-president of the Astronomical Society of France and president of the planetology commission, it is possible to maximize the chances of seeing the view by following these few tips: Position yourself as far away from any light pollution. Give your eyes time to adjust to the dark. Try not to look too hard at the full moon, the light source. Look northeast. View tweet How many can we see? It can reach 200 shooting stars in an hour, but “it is very variable”, insists Gilles Dawidowicz. On this topic, the astronomical society of France invites you to participate in scientific research by counting the number of shooting stars you will see. For this, he proposes a protocol to get to know what the Perseids are and then fill out an online form with your observations. Get your notebooks! Why is it so popular? It is a famous phenomenon because in August the conditions are optimal for observing the sky. “It’s not cold, people are on vacation to be able to see them…” And a small detail, not insignificant: “unlike some space events, the Perseids do not need any instruments to see them,” specifies the president of the planetology commission. It’s a meeting with people, everyone, to make astronomy easy. A very good moment to philosophize before the immensity of the universe, will we be able to see them every year? The answer to that question is a resounding yes: the Perseid Swarm is made up of billions of dust particles. “Like everything, one day it will disappear, but on a human scale, it is too far away for us to worry about. The Perseids were there before us, and they will be here after us. Is there anything negative about shooting star showers? We have the right to ask the question. Just as fireworks pollute and are very expensive, what’s wrong with meteor showers like the Perseids? “Absolutely nothing. They burn in the atmosphere, too far away to affect us in any way”, replies Gilles Dawidowicz. For once, we don’t need to think about the consequences. We can only be carried away by this magical spectacle, so close, but at the same time so far away.Did you find this article useful? Note that you can follow Actu in the My Actu space. In one click, after you have registered, you will find all the news from your favorite cities and brands.
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