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What to know about the Perseid meteor shower in mid-August

The Mainichi Shimbun answers some common questions readers may have about meteors that can be observed during summer vacation in Japan.Question: While

The Perseid meteor shower, occurring around Japan's Bon holiday period in mid-August, is one of the most spectacular celestial events of the year. These meteors are not stars, but rather dust particles released by comets and asteroids that enter Earth's atmosphere, become extremely hot, and glow. This shower's source is the Swift-Tuttle comet, and because Earth crosses its path annually, the Perseid meteor shower appears around the same time each year.

The best viewing is expected on the two nights from August 12 through the predawn hours of August 14. These nights offer the highest number of meteors, with the activity peaking after midnight as dawn approaches. On August 13, the conditions are particularly favorable due to a new moon, providing minimal moonlight interference and resulting in approximately 35 meteors visible per hour in a dark location.

The meteors appear to radiate from a point near the constellation Perseus, located near Cassiopeia, which resembles a 'W' in the northern sky. This radiant point allows observers to trace the meteors' paths as they stream in all directions. They are visible across the entire sky, so with a clear, open view, there should be no difficulty spotting them.

To enhance your viewing experience, it's essential to let your eyes adjust to the darkness for at least 15 minutes. Seeking a planisphere and observing the Milky Way and other celestial objects simultaneously can make the experience even more enjoyable. However, with the onset of hotter and more humid nights, it's crucial to take precautions against heatstroke and ensure safety while enjoying the meteor shower.

Written by urgent.news from The Mainichi's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

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