Word: outerness
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...rings that seal the rocket joints. After these talks, Lovingood told the commission, "Thiokol recommended to proceed" with the flight. Privately, experts explained that gaps in the seals or cracks in the fuel mixture could allow the hot exhaust gases within the booster to reach the rocket's outer steel casing and burn through it. Another possibility was that the flame-retarding material between the booster sections could have loosened under the wide variations in temperature, providing another route for a burnthrough. Most analysts assume that once the flame sliced through the rocket casing, it reached the liquid-fuel tank...
...engaged is not socially acceptable at Harvard, Sanchez believes. "People look at us like we're from outer space. Most of the people I know can't imagine making that commitment or being ready to take that step while they're in school...
Indeed, a near burnthrough at a different site on a booster occurred on an earlier Challenger flight, during the summer of 1983. In that case, the insulating material on the interior of the nozzle's throat was scorched away to within half an inch of the nozzle's outer skin...
...black hole is believed to be the stellar remnant formed by the supernova explosion of a star. When the star's outer shell is blown away, the heavier elements of the core collapse upon themselves. This collapsing mass is then compacted by gravity into a mere point from which nothing, not even light, can escape...
...four smaller children file in from the outer room to present themselves to their mother before going to bed. They stall, ask for snacks. Benjamin whines about a cut finger...