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- Helium (36603 bytes)
106: ...a low [[temperature]] separation process called [[fractional distillation]].
108: ...spectroscopy | spectral line]] signature in light from a [[solar eclipse]]. Since then large reserves ...
112: ...0 [[Kelvin|K]] at 1 atmosphere) does it cool upon free expansion. Once precooled below this temperatu...
117: ...istinguish solid from liquid helium since the [[refractive index]] of the two phases are nearly the sa...
122: ...hich prevents random molecular motion ([[heat]]) from masking the atomic properties<!-- ref: ibid -->... - Space Shuttle program (41074 bytes)
2: ...tank and Morton Thiokol designed the solid rocket boosters.
4: ...capacity to recover satellites and other payloads from orbit and return them to Earth, this capacity h...
16: ...e [[X-20 Dyna-Soar]]. In several instances groups from both worked together to investigate the state o...
18: ...g of a large space station being launched on huge boosters, served by a reusable logistics "space shuttle",...
27: ...k to adjust for the launching point rotating away from it while in polar orbit — in a 90 minute ...
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