Sep 242011

Explosions have caused awe and terror for centuries. Here are top 5"Greatest Explosions"of the most powerful and greatest explosions the world has ever seen:

Gamma Rays Explosion: Gamma ray bursts are the most powerful explosions known in the universe. The light from the most distant gamma ray burst seen yet, dubbed GRB 090423, reached our world even from about 13 billion light-years away this year. That explosion, which lasted just a little more than a second, released roughly 100 times more energy than our sun will release in its entire 10 billion year lifetime. It likely originated from a dying star 30 to 100 times larger than the sun.

Supernova Explosion: The explosion of the supernova SN 1006 in 1006 AD may have been the brightest ever on record and was easily seen from Earth at the time. The extraordinary golden explosion now known as SN 1006 took place roughly 7,100 light years away in a fairly nearby part of the galaxy, and was bright enough to cast shadows and read by at night, remaining visible for months in the daytime.

Comet Shoemaker-Levy 9 Explosion: The comet Shoemaker-Levy 9 collided spectacularly with Jupiter in 1994. The giant planet’s gravitational pull ripped the comet apart into fragments up to 1.8 miles (3 km) wide, and they struck at 37 miles (60 km) per second, resulting in 21 visible impacts. The largest collision created a fireball that rose about 1,800 miles (3,000 km) above the Jovian cloudtops as well as a giant dark spot more than 7,460 miles (12,000 km) across — about the size of the Earth — and was estimated to have exploded with the force of 6,000 gigatons of TNT.

K-T Explosion: The Age of Dinosaurs ended in a cataclysm roughly 65 million years ago that killed off roughly half of all species on the planet. Although research suggests the planet was on the verge of an environmental crisis before the Cretaceous-Tertiary or K-T extinction, the straw that broke the dinosaur’s back is widely thought to have been a cosmic impactvast crater roughly 110 miles (180 km) wide at Chicxulub on the coast of Mexico may be the blast site.

Tsar Bomb: Tsar Bomba is the nickname for the AN602 hydrogen bomb, the most powerful nuclear weapon ever detonated.

The Tsar Bomba was a three-stage Teller–Ulam design hydrogen bomb with a yield of 50 megatons.This is equivalent to 1,400 times the combined power of the two nuclear explosives used in World War II (Little Boy (13–18 kilotons) and Fat Man (21 kilotons), the bombs that destroyed Hiroshima and Nagasaki), or 10 times the combined power of all the explosives used in WWII.

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