It was made by a meteor that fell from space.
Comets leave a trail of debris behind them that can lead to meteor showers on Earth.
The annual perseid meteor shower reached its peak mid-August, with a moonless sky providing near-perfect observing conditions.
In other years, however, the Leonids can suddenly erupt in spectacular meteor storms, with rates of more than a thousand meteors an hour.
The scientists posit that these meteor strikes may also have triggered the flow of hot rock in the upper layer of the mantle right below the Earth's crust that is seen up to the present day.
2009 - Geminid meteor, a bright meteor with a greenish tinge flashes through the sky over the Mojave Desert near Barstow, California, USA.
During desert treks, scientists later recovered nearly 600 meteorite fragments from the meteor shower.
A meteor sounds like a melodramatic and crazy way to initiate a love story, but this time it's told in a convincing manner.
A meteor suddenly shot across the sky.
If it was a meteor, it was a mere tiddler by historic standards - as we'll see.
Suddenly a meteor zipped across low, and because of my angle in the mountains, I could see it skip across the atmosphere.
The falling meteor has a flash of eternity, and you've seen meteor dazzling, but it's gone.
As I just now remembered this, the skipping meteor was not a memory tape I replayed, despite its ready vividness.
The blast, which has been estimated at the equivalent of around 15 megatons of TNT is widely thought to have been caused by a meteor a few tens of metres across exploding in mid-air.
The annual meteor shower takes place every August and the meteors are so named as they appear to emanate from the constellation Perseus.
Susan's wedding day goes amiss when she's struck by a meteor.
Theoretically, their heir's theory of meteorology can explain the meteor.
Now astronomers think it was a meteor that burned up high in the atmosphere.
By 2 p.m. sporadic reports of a missing plane coursed through crowded cafes, seeming to fall out of the sky like some errant news meteor - a tragedy at odds with a brilliant blue afternoon.
The moment that the meteor crossed has awakened your memory. Can you bring your words to the one coming from the clouds?
