Astronomy — Meteors
- Meteors are stony or metallic objects or material in space. They range from microscopic to huge.
- It is estimated that 80 to 100 million meteors collide with Earth’s atmosphere every day.
- Four million tons of meteor dust fall to Earth every year.
- Meteor showers occur when Earth passes through the fragmented remains of a comet.
- Meteorites are meteors and meteoroids that survive their fiery plunge to Earth. The oldest meteorites date back to 4.6 billion years, the age of our solar system.
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