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Perseid Meteor Shower

Context

The Perseid meteor shower is a popular phenomenon where meteors fall to Earth from space during a specific season. This year's peak is expected to occur on August 11th and 13th.

About

  • The Perseid meteor shower, commonly known as the Perseids, is visible annually from mid-July to late August.
  • The Perseid meteor shower is caused by the comet Swift-Tuttle.
  • Swift-Tuttle was discovered independently by two astronomers, Lewis Swift and Horace Tuttle, in 1862. 
    • Comet Swift-Tuttle is the largest object known to repeatedly pass by Earth; its nucleus is about 16 miles (26 kilometers) wide. 
  • The shower is known for its fast and luminous movements across the night sky, with almost 100 meteors visible every hour.
  • The Perseid meteor shower is not dangerous to Earth as most meteors disintegrate in the atmosphere, and some can produce minor fireballs.
  • Perseids, typically fast and luminous, create a path of color and light as they move across the night sky. 

Fact Box: What is a Meteor Shower?

  • A meteor shower occurs when Earth passes through the debris left by a comet. The particles that create these light streaks are called meteors.
  • How It Happens: As a comet orbits the Sun, it heats up and releases small particles. Over time, these particles spread along the comet's orbit.
    • When Earth crosses this orbit, the particles enter our atmosphere and burn up, creating streaks of light.
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