How common are fireballs streaking across the sky?

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The Earth is under assault. Space rocks are constantly hurtling toward us, slamming into the atmosphere and often exploding into fireballs that both delight and alarm.

Thankfully, the vast majority cause no damage because they are pulverized into dust or small chunks by the journey to Earth.

A fireball streaked across the sky near Cleveland this week, caused by what was thought to be a space rock nearly 6 feet (1.8 meters) across and weighing 7 tons. It was seen from Wisconsin to Maryland, according to the American Meteor Society.

It traveled more than 34 miles (55 kilometers) through the upper atmosphere before breaking apart, according to NASA. No fragments have been found yet.

As dramatic as it was, it was also incredibly common. Here's what to know:

An asteroid is a chunk of rock, ice or metal that's left over from the solar system's formation 4.6 billion years ago. A meteoroid is a fragment of a larger space rock such as an asteroid or comet. A meteor is the light emitted from a meteoroid or asteroid as it burns up through the atmosphere. If a meteor is brighter than the planet Venus in the morning or evening sky, it is called a fireball. If a chunk of it makes it to land, it's called a meteorite.

Flashes of light from meteoroids are incredibly common, and there are times — called meteor showers — when they can be seen every few minutes in the night sky, weather permitting. The Perseids meteor shower, which happens in mid-August every year, is considered the best, according to NASA.

There are “several thousand” meteors that would qualify as fireballs in the Earth's atmosphere every day, according to the meteor society. The problem is that most occur over oceans or other places where people don't live, or the sun is too bright to notice them.

Still, plenty are seen by people. And if you see one, the American Meteor Society and the International Meteor Organization want you to tell them so they can check it out. So far in 2026, 10 fireballs have drawn more than 100 reports, which averages nearly one per week.

Meteoroids travel through empty space at extraordinarily high speeds — from 25,000 mph (40,233 kph) to as high as 160,000 mph (257,495 kph). When they suddenly hit the gases that blanket Earth, they undergo incredible stress as they compress the air in front of them, which heats the object to the point it starts to melt and break apart.

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