Claiming that solid rockets are necessary for a heavy-lift launcher is obvious nonsense. Henry Spencer claimheavylauncher Change image and share on social
Developing expendable rockets is always going to be painful and expensive. Throwing the whole rocket away on each attempt not only costs a lot, it also hampers figuring out just what went wrong because you don't get the rocket back for inspection. Henry Spencer attemptbackcost 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
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. Henry Spencer 1960s70sapollo share on social