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Henry Spencer Quotes


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Quotes by Henry Spencer

Showing 1-10 of 44 Quotes by Henry Spencer

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

~Henry Spencer

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Rocket engines generally are simpler than jet engines, not more complicated.

~Henry Spencer

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My one concern is that when money gets tight, it's easy to cut R&D funding that isn't tied to a specific project - look at what's happened to NASA's aviation research.

~Henry Spencer

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SpaceX does seem to have had a run of bad luck, with its first three launches all failing.

~Henry Spencer

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In the long run, it's impossible to make progress without sometimes having setbacks, although people who get lucky on their first attempt sometimes forget this.

~Henry Spencer

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

~Henry Spencer

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

~Henry Spencer

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Sure, there were hopes that Constellation's systems could later be adapted to support more ambitious goals. But Apollo had those hopes, too. It didn't work in 1970, and it wasn't going to work in 2020.

~Henry Spencer

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Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.

~Henry Spencer

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The communications delays between Earth and Mars can be half an hour or more, so the people on the ground can't participate minute by minute in Mars surface activities.

~Henry Spencer

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Biography

Nationality: Canadian

Type: Scientist

Born: Unknown

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