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Almost three millennia ago, Chinese astronomers documented the Lyrid meteor shower for the first time. This meteor shower is named after the constellation Lyra, the apparent point in the sky from which the meteors seem to emerge. It occurs annually between April 16 and April 25, typically reaching its peak activity around April 22.
One of the most notable characteristics of the Lyrid meteor shower is the variety of colors and brightness displayed by the meteors. Occasionally, exceptionally bright fireballs appear, shining even more brilliantly than the planet Venus. These colors are produced when tiny dust particles, no larger than grains of sand, collide with particles and ions in Earth’s atmosphere. As these grains heat up and ionize, they emit light and leave behind trails that gradually cool and fade.
Fireballs differ from regular meteors in that they are caused by larger debris, roughly the size of a grape or acorn, entering the atmosphere. Due to their greater size, they generate intense flashes and bright streaks known as trains as they burn up. These spectacular displays are some of the most captivating aspects of the shower.
While the Lyrid meteor shower happens annually, the comet responsible for it, Comet Thatcher, completes its orbit around the Sun every 415 years. This means it will not be visible again from Earth until the year 2283
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