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Russian Meteor Had the Power of 30 Hiroshima Bombs

The meteor that exploded over Russia this week was even larger and more powerful than first estimated. The revised stats, via NASA scientists at the Jet Propulsion Laboratory, are as follows:


SIZE: 55 feet in diameter
Placed on the ground, it would be taller than a five-story building.


MASS: 10,000 tons
A modern U.S. Navy Destroyer like the U.S.S. Arleigh Burke weighs around 8,400 tons.


SPEED: 40,000 mph (at the time of explosion)
That’s about 52 times the speed of sound.


POWER OF BLAST: 500 kilotons
That’s the power of some 30 Hiroshima explosions.


The revised estimates are via a statement on NASA.com’s Asteroid and Comet Watch page.

The meteor entered the Earth’s atmosphere at 10:20:26 p.m. EST on Feb. 14 and took 32.5 seconds to disintegrate, unleashing a blast brighter than the sun and a sonic boom that rocked the surface, shattering windows and injuring some 1,200 people.

Meanwhile, NASA confirms that the Russian meteor event was unrelated to the close approach of asteroid 2012 DA14 — the nearest-miss of an object of its size in recorded history:

The trajectory of the Russia meteor was significantly different than the trajectory of the asteroid 2012 DA14, which hours later made its flyby of Earth, making it a completely unrelated object.

It also makes the asteroid fly-by and Russian meteor impact, combined, an incredible coincidence. And that doesn’t factor in another major meteor-strike event reported in the same week by Cuban media.

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