Researchers Have Discovered
Never-before-seen types of crystal hidden in tiny grains of perfectly preserved meteorite dust.
The Dust Was
Left behind by a massive space rock that exploded over Chelyabinsk, Russia, nine years ago.
On Feb. 15, 2013
An asteroid measuring 59 feet across and weighing 12,125 tons entered Earth's atmosphere at around 41,600 mph.
The Meteor Exploded
Around 14.5 miles (23.3 kilometers) above the city of Chelyabinsk in southern Russia.
Showering the Surrounding
Area in tiny meteorites and avoiding a colossal single collision with the surface.
Experts at the Time
Described the event as a major wake-up call to the dangers asteroids pose to the planet.
Researchers Analyzed Some
Of the tiny fragments of space rock that were left behind after the meteor exploded, known as meteorite dust.
The Researchers Stumbled Upon
The new types of crystal while they were examining specks of the dust under a standard microscope