While watching pre-launch pictures, technicians appear dressed in isolation suits. Why?
Technicians and engineers that work in the vicinity of the lander must wear what we call “bunny” suits (it was a joke name originally, but many years ago the name caught on). These are clean head-to-toe garments that prevent dirt and biological contamination of the lander by the workers. At other times when the hydrazine fuel was being loaded into Pathfinder’s fuel tanks, some workers had to wear “SCAPE” suits. These suits are also head-to-toe, but they also provide self-contained breathing equipment which is strapped to their backs. In fact they look a lot like space suits. Hydrazine, in addition to being highly flammable, is an extremely caustic and dangerous liquid. These suits are designed to protect the workers in the unlikely event of a hydrazine leak. –Rob Manning Back to the top of the page. I do not really understand the answer to the question about the precise time of launch. Since the Pathfinder is put in orbit over Earth anyway, it would seem that the only important thing
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