Asteroid DA14 and thoughts on space travel in general.

The asteroid that came so close to Earth recently is the closest a stellar body has come to the Earth in a very long time. It was 17,000 miles away from the Earth at the closest approach and this resulted in some small rocks entering the atmosphere and either exploding…

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A look at the Armageddon movie and Hollywood depictions of space travel.

On the space.com website, there is an article about the Armageddon movie and the giant asteroid that was threatening the Earth. They calculated that the energy needed by a bomb to destroy the Asteroid would be 800 trillion terajoules — compared with the 418,000 terajoules produced by history’s most powerful blast,…

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