bolide

"Our data suggest that volcanic sulfur degassing from such activity could have caused repeated short-lived global drops in temperature, stressing the ecosystems long before the bolide impact delivered its final blow at the end of the Cretaceous," the authors write.

It was also a massive learning experience for scientists, the largest atmospheric impact since the Tunguska bolide in 1908.

The meteor - sometimes called a bolide for its particularly intense brightness - could be seen by much of southern Norway.

Bugatti Super Sport/Bolide: The French carmaker Bugatti produces some of the most expensive cars in the world, with its lowest-priced Chiron model starting at $3 million.

But it also revealed plans to produce a limited run of the Bolide, a track car concept with a stripped-down and lightened body, and an up-powered version of its monster 16-cylinder, quad-turbocharged motor, with the power of 1,825 horses.