NASA's Long Duration Exposure Facility, or LDEF, was a school bus-sized cylindrical space experiment rack that exposed various material samples to outer space for about 5.7 years, completing 32,422 Earth orbits.
Read more about Long Duration Exposure Facility: Construction, Launch, Experiments, Retrieval
Famous quotes containing the words long, duration and/or facility:
“How long, then, Catiline, while you abuse our patience? How long is this madness of yours to make sport of us?”
—Marcus Tullius Cicero (106–43 B.C.)
“What matters it that man should have a little more knowledge of the universe? If he has it, he gets little higher. Is he not always infinitely removed from the end, and is not the duration of our life equally removed from eternity, even if it lasts ten years longer?”
—Blaise Pascal (1623–1662)
“Virtue rejects facility to be her companion.... She requires a craggy, rough and thorny way.”
—Michel de Montaigne (1533–1592)