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Originally posted by CaptainIraq
1) A meteorite:... yet meteorites tend to hit the ground before exploding.
Also, no remnants of anything were found at ground zero.
4) Antimatter: Upon colliding with matter, antimatter expolodes. Could a chunk of antimatter have crashed into earth, causing this explosion?
5) Electromagnetism: Valeriy Buerakov proposed the idea that a magnetic storm could have rained down an elecromagnetic "fireball" which could have caused this explosion.
Originally posted by Tom Bedlam
6) a microscopic black hole. If Hawking is wrong, and black holes do not "evaporate", it could be a micro black hole left over from the Big Bang.
Originally posted by Tom Bedlam
6) a microscopic black hole. If Hawking is wrong, and black holes do not "evaporate", it could be a micro black hole left over from the Big Bang.
Originally posted by CaptainIraq
The only problem with that theory is that if a black hole would have passed through Earth, there must have been a secondary explosion of it leaving Earth on the other side.
On June 30, 1908, a ball of fire exploded about 6 miles (10 kilometers) above the ground in the sparsely populated region, scientists say. The blast released 15 megatons of energy—about a thousand times that of the atomic bomb dropped on Hiroshima—and flattened 770 square miles (2,000 square kilometers) of forest.
It also lacks the rim of debris usually found around typical impact craters, such as the Meteor Crater in Arizona.
"It's an exciting result that might shed new light on the Tunguska explosion," he said. "Certainly it warrants new studies of the area.
"But it raises a question in my mind: If one large fragment hit the ground, we would normally expect thousands of smaller fragments also to hit the ground along the path, and many searches have failed to find such meteorite fragments. So, why no smaller pieces?"
The explosion was most likely caused by the air burst of a large meteoroid or comet fragment at an altitude of 5 to 10 kilometers (3–6 mi) above Earth's surface. Different studies[1] yielded varying estimates for the meteor's size, including 60 meters[2], 90 to 190 meters[3] and up to 1200 meters in diameter[4].
Although the meteor or comet is considered to have burst prior to hitting the surface, this event is still referred to as an impact event. The energy of the blast was estimated to be between 10 and 20 megatons[5] of TNT — 1,000 times more powerful than the bomb dropped on Hiroshima. The explosion felled an estimated 80 million trees over 2,150 square kilometers (830 sq mi). It is estimated to have measured 5.0 on the Richter scale.
Originally posted by Cyberbian
The best theory I ever read was that Tesla fired a lightening cannon over the north pole to celebrate Peary's arctic expedition. He supposedly fired it from his famous tower.
On June 30, 1908, the Earth experienced an explosion 1,000 times the magnitude of the the atomic bomb dropped on Hiroshima, Japan (shown above). The event resulted in the flattening of 80 million trees over an area roughly the size of Washington DC, and a century later scientists and UFO enthusiasts are still debating about what caused this colossal 5-30 megaton blast, and what happened to its mysterious remains.