The Tunguska event: a Siberian meteor mystery from 1908

A heavenly visitor

exploded above Siberia - leading to more than a century of scientific debate and speculation

Next week will see a small asteroid will pass close to TV satellites of the Earth, but NASA has assured the world that there is no danger of impact. The heavenly visitor DA14 was appointed and it is expected to travel at a speed of about 8 miles (13 km) per second.

something moving at the speed that collided with the Earth before - in June 1908, when an asteroid or comet exploded above Siberia. He became known as the Tunguska event.

People

knew that something important had happened - but as the previous report demonstrates, the region itself was inaccessible until the 1920s. The expedition of 1921 exposed the devastation caused by the impact, with 80 million trees thrown more than 830 square miles (2,150 square kilometers).

• Today, thanks to NASA satellites, we are able to track and announce what will happen in the sky, but in the first part of the 20th century, explanations were not as easy to get - and the fear of the unknown convinced some people (probably rightly) an Apocalypse.
The effect of the collision was also felt in Britain, a reader wrote to The Times asked why the sky was so bright at night. She has not received a response in 1908, but a keeper 1991 Notes and queries put forward the hypothesis that the amount of dust raised by the explosion of the diffraction of sunlight, which leads to "a person [play] a golf course in St Andrews at 2.30am. "

event Tungaska fascination has been fueled not only by the magnitude of the event, but the mystery that surrounds it. Scientists have divided for more than a century that caused the impact, arguing comets, asteroids and meteorites.

Even

has infiltrated popular culture - in 2008, Nintendo brought a Wii game based on the Tunguska event in 1996 and received one of the awards events truly mysterious - inspired by a episode of X-files.


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