Phrase by 'Henry Spencer'
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On the technical side, Apollo 8 was mainly a test flight for the Saturn V and the Apollo spacecraft. The main spacecraft system that needed testing on a real lunar flight was the onboard navigation system.
Author: Henry Spencer - Canadian ScientistReal , Test , Side , Flight
Progress requires setbacks; the only sure way to avoid failure is not to try.
Author: Henry Spencer - Canadian ScientistWay , Failure , Try , Progress
Spaceflight, especially in the Mercury spacecraft, clearly wasn't going to be much like flying an airplane.
Author: Henry Spencer - Canadian ScientistLike , Going , Flying , Airplane
The Orion capsule uses an escape system quite like that of the Apollo spacecraft in the 1960s and 70s: an 'escape tower' containing a solid-fuel rocket that will pull it up and away from Ares I in a pinch.
Author: Henry Spencer - Canadian ScientistLike , Will , Escape , Space
Rocket engines generally are simpler than jet engines, not more complicated.
Author: Henry Spencer - Canadian ScientistMore , Than , Complicated , Rocket
SpaceX does seem to have had a run of bad luck, with its first three launches all failing.
Author: Henry Spencer - Canadian ScientistBad , Run , Luck , Bad Luck
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.
Author: Henry Spencer - Canadian ScientistSometimes , People , Long , Progress
Is manned space exploration important? Yes - not least because it simply works much better than sending robots.
Author: Henry Spencer - Canadian ScientistBetter , Important , Space , Robots
The demise of Constellation is not the death of a dream. It's just the end of an illusion.
Author: Henry Spencer - Canadian ScientistEnd , Death , Dream , Illusion
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.
Author: Henry Spencer - Canadian ScientistLook , Money , Easy , Research