Astronaut Luca Parmitano is back with another thought-provoking blog entry, this one on the subject of fear.

One of the questions I am often asked is: “Are you astronauts ever afraid?” It is a question that always surprises me and I find it difficult to answer the question in just a few words.

The temptation to answer simply “no” is great, everyone would breathe a sigh of relief and go on knowing that there are out of the ordinary men and women in the world who work without fear: astronauts. But super humans do not exist – and it is better this way.

My humble opinion is that only fools say they are never afraid – and they are lying when they say it. Fear is a series of sensations, a primordial mechanism that has developed over millennia of evolution to preserve our lives. It would be a waste not to use such a tool. But like any tool, it can be used well or badly: a scalpel, in the expert hands of a surgeon, can save a life while the same scalpel can be lethal when used without skill and knowledge.

Continue reading here.

Image caption: Parmitano took this photograph from ISS, capturing sunset over the Aleutian Islands (Credits: NASA).

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Merryl Azriel

Merryl Azriel

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Having wandered into professional writing and editing after a decade in engineering, science, and management, Merryl now enjoys reintegrating the dichotomy by bringing space technology and policy within reach of an interested public. After three years as Space Safety Magazine’s Managing Editor, Merryl semi-retired to Visiting Contributor and manager of the campaign to bring the International Space Station collaboration to the attention of the Nobel Peace Prize committee. She keeps her pencil sharp as Proposal Manager for U.S. government contractor CSRA.