Meteor shower
Adapted from Wikipedia · Explorer experience
Meteor Showers
A meteor shower is a magical time when many bright streaks of light zip across the night sky. These streaks are called meteors. They happen when tiny pieces of space rock, called meteoroids, fly into Earth's atmosphere. Most of these pieces are smaller than a grain of sand. They burn up high in the sky and never touch the ground.
People have seen meteor showers for thousands of years. Ancient China, Japan, Korea, and many other places wrote about them. Some people thought they were special signs. Today, we know these beautiful lights come from space dust left behind by comets. These icy objects orbit the Sun.
When we see a meteor shower, the meteors seem to come from one spot in the sky. This spot is called the radiant point. It looks like the meteors are all coming from that one place because they are all moving in the same direction. The best time to watch a meteor shower is usually just before dawn, when the sky is dark and the radiant point is high up.
Meteor showers get their names from the brightest star or constellation they seem to come from. For example, if the meteors look like they come from near a star called Delta Aquarii, the shower is called the Delta Aquariids. There are many famous meteor showers. The Perseids happen every year in mid-August and often have lots of meteors. The Leonids happen around mid-November. Every 33 years, the Leonids can create a special show with many more meteors flying across the sky.
| Shower | Time | Parent object |
|---|---|---|
| Quadrantids | early January | The same as the parent object of minor planet 2003 EH1, and Comet C/1490 Y1. |
| Lyrids | late April | Comet Thatcher |
| Eta Aquariids | early May | Comet 1P/Halley |
| Perseids | mid-August | Comet 109P/Swift-Tuttle |
| Leonids | mid-November | Comet 55P/Tempel-Tuttle |
| Geminids | mid-December | Minor planet 3200 Phaethon |
Other planets can have meteor showers too! For example, Mars can have them, even though its atmosphere is very thin. Scientists think moons like Titan might have meteor showers too, even if we haven’t seen them yet.
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