When you wish upon a star, you may not be wishing on what you think you are. The reason: shooting stars are of course not stars at all but meteors, the streaks of light we see etched in the sky when the space rocks known as meteoroids burn up as they hit the Earth's atmosphere. When a number of meteors appear to radiate from one point in the sky, we are treated to the celestial event known as meteor showers – but forget your umbrella; break out your telescope!
Continue reading...Thursday, November 6, 2008
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.
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Thursday, April 30, 2009
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