Word: outer
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Dates: during 1980-1989
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...many atoms, particularly those of metallic conductors, the outer shell has a number of empty slots, and the electrons that it does contain are not bound as tightly to it as those in the inner shells. Just as the sun's gravitational pull is weaker on distant Pluto than on nearby Mercury, the hold of an atomic nucleus is also weaker on electrons in the outermost layers...
...this light, Extreme becomes an entertaining piece of Hollywood garbage, endearing precisely because it stinks. File it in between Plan 9 From Outer Space and Beyond The Valley Of The Ultra-Vixens and revel in the unintentional hilarity. All Extreme Prejudice lacks are extra-terrestrial vehicles that look like Chrysler hubcaps...
...supernova occurs after a star runs out of fuel to power its burning core and immediately implodes. The energy released during this event rapidly expels the star's outer gases...
...resulting shock waves spread outward through the core, enter the star's still unsuspecting outer layers, and hours later reach the surface, spewing the star's laboriously made elements into space in a mammoth explosion. All that is left behind is the neutron core, the strange entity that astronomers call a neutron star...
Finally, after a cycle of contraction and re-expansion, the sun's surface gravity will be so low the outer layers will boil off into space, leaving behind only the naked core, a lump of matter about as big as the earth, but with 60% of the sun's original mass, glowing blue-hot at perhaps 120,000 degrees C. That stage will mark the end of the sun's active life; its nuclear fires will never again turn on. Slowly it will cool until it is first a white dwarf, still glowing, then a cold black dwarf, a cinder...