meteor

To understand the word "meteor," it helps to recognize that scientists use three different names depending on where the space debris is located. The journey starts as a meteoroid: a small rocky or metallic body traveling through outer space. These can be fragments from asteroids, comets, or even planets.

When a meteoroid enters Earth's atmosphere at high speed, it meets so much air resistance that it heats up and glows brightly. This glowing streak is what we see and call a meteor. It's often referred to as a "shooting star," but it has nothing to do with actual stars. Most meteors burn up completely in the atmosphere, sometimes creating spectacular displays like meteor showers, which occur when Earth passes through a stream of debris left behind by a comet.

If any part of the meteoroid survives its fiery descent and lands on Earth's surface, it is then called a meteorite. These are incredibly valuable to scientists because they provide chemical clues about the early solar system.

So, remember the distinction: the meteoroid is the object in space, the meteor is the streak of light in the sky, and the meteorite is what's left if it hits the ground. A famous example of this kind of event is the Tunguska explosion in Siberia in 1908, believed to have been caused by a large space object that burst in the atmosphere before reaching the surface, flattening trees over a vast area. Whether you're gazing at a fleeting meteor shower or studying a meteorite in a lab, these celestial visitors offer a fascinating glimpse into the universe beyond our planet.