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Interstellar travel: how to spot a ‘starman’ going by

Massive objects moving at near light speeds do not occur naturally in the universe as we know it. If we detect such objects it is a reasonable to assume they are artificial artifacts from advanced intelligent life. This according to Garcia-Escartin and Chamorro-Posada, authors of a recent paper, is a low-cost, sure-fire way of searching […]

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The perils of space exploration: last flight of space shuttle Columbia

The 28th and last flight (STS-107) of the space shuttle Columbia was ten years ago. Launched on January 16, 2003 Columbia was destroyed at about 0900 EST on February 1, 2003 while re-entering the atmosphere after its 16-day scientific mission. The destruction of the shuttle killed all seven astronauts on board. An illustrious career Columbia […]

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The curious science of life in space

“Packing for Mars: the curious science of life in space” by Mary Roach 2010 Oneworld Books, Oxford UK, ISBN 978-1-85168-823-4. Reading this book was a little like watching street opera designed by a fifteen year old male.  In street opera you get just the arias – opera with all the boring bits removed.  Or so […]

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