We made it through December .. and we’re fine
A huge fireball exploded in the Earth’s atmosphere in December, according to Nasa. The blast was the second largest of its kind in 30 years, and the biggest since the fireball over Chelyabinsk in Russia six years ago. But it went largely unnoticed until now because it blew up over the Bering Sea, off Russia’s Kamchatka Peninsula.
Military satellites picked up the blast.. NASA and the AIR FORCE were notified..
At about noon local time on 18 December, the asteroid barrelled through the atmosphere at a speed of 32km/s, on a steep trajectory of seven degrees.
Measuring several metres in size, the space rock exploded 25.6km above the Earth’s surface, with an impact energy of 173 kilotons.
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