Is manned space exploration important? Yes - not least because it simply works much better than sending robots. Henry Spencer explorationimportantman Change image and share on social
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 centexperiencefailure Change image and share on social
Claiming that solid rockets are necessary for a heavy-lift launcher is obvious nonsense. Henry Spencer claimheavylauncher Change image and share on social
The demise of Constellation is not the death of a dream. It's just the end of an illusion. Henry Spencer constellationdeathdemise Change image and share on social
