Author: Henry Spencer

Quotes

Progress requires setbacks; the only sure way to avoid failure is not to try.

Progress requires setbacks; the only sure way to avoid failure is not to try.

- Henry Spencer

Past experience, on the shuttle and the Titan rockets, suggests that large multi-segment solid rockets have a probability of failure of 0.5 to 1 per cent.

Past experience, on the shuttle and the Titan rockets, suggests that large multi-segment solid rockets have a probability of failure of 0.5 to 1 per cent.

- Henry Spencer

The demise of Constellation is not the death of a dream. It's just the end of an illusion.

The demise of Constellation is not the death of a dream. It's just the end of an illusion.

- Henry Spencer

Whether solid rockets are more or less likely to fail than liquid-fuel rockets is debatable. More serious, though, is that when they do fail, it's usually violent and spectacular.

Whether solid rockets are more or less likely to fail than liquid-fuel rockets is debatable. More serious, though, is that when they do fail, it's usually violent and spectacular.

- Henry Spencer

Is manned space exploration important? Yes - not least because it simply works much better than sending robots.

Is manned space exploration important? Yes - not least because it simply works much better than sending robots.

- Henry Spencer

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